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Astrophysicists of the University of Zürich, ETH Zürich and the NCCR PlanetS show how the icy moons of Uranus were born. Their result suggests that such potentially habitable worlds are much more abundant in the Universe ...
Forget those shepherding moons. Gravity and the odd shapes of asteroid Chariklo and dwarf planet Haumea—small objects deep in our solar system—can be credited for forming and maintaining their own rings, according new ...
University of Sydney astronomers, working with international colleagues, have found a star system like none seen before in our galaxy.
In order to observe billions of faint galaxies and investigate the nature of the dark Universe, ESA's pioneering Euclid mission will require state-of-the-art optics. The first optical element to be delivered, the telescope's ...
In 1974, the Arecibo Observatory made history by beaming the most powerful radio message into deep space ever made. The famous Arecibo Message was designed by the AO 74's staff, led by Frank Drake, and with the help of the ...
A team of astronomers from Israel, the U.S. and Russia have identified a disrupted galaxy resembling a giant tadpole, complete with an elliptical head and a long, straight tail, about 300 million light years away from Earth. ...
We are all, quite literally, made of star dust. Many of the chemicals that compose our planet and our bodies were formed directly by stars. Now, a new study using observations by NASA's Spitzer Space Telescope reports for ...
On the evening of Thursday, Nov. 15, NASA's Kepler space telescope received its final set of commands to disconnect communications with Earth. The "goodnight" commands finalize the spacecraft's transition into retirement, ...
An international team led by Instituto de Astrofísica e Ciências do Espaço (IA) researcher Vardan Adibekyan used a novel method to detect solar siblings. The article was published in the journal Astronomy & Astrophysics.
At first glance, a bright blue crescent immediately jumps out of this NASA/ESA Hubble Space Telescope image. Is it a bird? A plane? Evidence of extraterrestrial life? No—it's a galaxy.
The path of light is bent by mass, an effect predicted by Einstein's theory of gravity, and when a massive galaxy or cluster lies along our line-of-sight to a more distant galaxy its matter will act as a lens to image the ...
The black hole at the centre of our galaxy, Sagittarius A*, has been visualised in virtual reality for the first time. The details are described in an article published in the open access journal Computational Astrophysics ...
The next time you're gazing out of the window in search of inspiration, keep in mind the material you're looking through was forged inside the heart of an exploding ancient star.
Located 65 million light-years away is a blue supergiant star that once existed inside a cluster of young stars in the spiral galaxy NGC 3938, as shown in this artist's concept. It exploded as a supernova in 2017 and Hubble ...
Hidden in a distant galaxy cluster collision are wisps of gas resembling the starship Enterprise—an iconic spaceship from the "Star Trek" franchise.
How in the world could you possibly look inside a star? You could break out the scalpels and other tools of the surgical trade, but good luck getting within a few million kilometers of the surface before your skin melts off. ...
As an astrophysicist, probably the most common question I get asked is: "Are we alone in the universe and do aliens exist?"
The most luminous galaxy ever discovered is cannibalizing not one, not two, but at least three of its smaller neighbors, according to a new study published today (Nov. 15) in the journal Science and coauthored by scientists ...
Astronomers may have finally uncovered the long-sought progenitor to a specific type of exploding star by sifting through NASA Hubble Space Telescope archival data and conducting follow-up observations using W. M. Keck Observatory ...
The potential discovery of a planet orbiting Barnard's Star – the second closest stellar system to the sun – was announced by researchers today in Nature.
In November 2017, scientists pointed NASA's Spitzer Space Telescope toward the object known as 'Oumuamua—the first known interstellar object to visit our solar system. The infrared Spitzer was one of many telescopes pointed ...
Astronomers have discovered a planet in orbit around one of the closest stars to the Sun, Barnard's star.
For the first time astronomers have detected gravitational waves from a merged, hyper-massive neutron star. The scientists, Maurice van Putten of Sejong University in South Korea, and Massimo della Valle of the Osservatorio ...
Scientists have discovered something amazing.
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An international team led by researchers from the IAC used data from the ESA satellite Gaia to measure the motion of 39 dwarf galaxies. This data gives information on the dynamics of these galaxies, their histories and their ...
This captivating image from the NASA/ESA Hubble Space Telescope's Wide Field Camera 3 shows a lonely dwarf galaxy 100 million light-years away from Earth. This image depicts the blue compact dwarf galaxy ESO 338-4, which ...
In the past 30 years, the number of planets discovered beyond our solar system has grown exponentially. Unfortunately, due to the limitations of our technology, the vast majority of these exoplanets have been discovered by ...
The Gaia satellite has spotted an enormous 'ghost' galaxy lurking on the outskirts of the Milky Way.
Using the Next Generation Transit Survey (NGTS), astronomers have identified an energetic flare displaying quasi-periodic pulsations on the pre-main sequence M star NGTS J121939.5-355557. The newly detected flare is one of ...
Jairo Méndez Abreu and Adriana de Lorenzo-Cáceres, researchers at the Instituto de Astrofísica de Canarias (IAC), have discovered a peanut-shaped structure in the inner bar of a double-barred galaxy close to the Milky ...
Researchers from the University of Portsmouth have come up with a new measurement of one of the most debated topics in cosmology.
Merging galaxy clusters provide natural laboratories for astronomers to study cosmic phenomena. Igone Urdampilleta from SRON Netherlands Institute for Space Research uses the merger Abell 3376 to study how electrons rush ...
An international team of scientists has carried out a comprehensive multi-wavelength study of one the merging galaxy clusters known as MACS J0417.5-1154. The research, available in a paper published November 1 on arXiv.org, ...
In 2017, NASA's Fermi Gamma-ray Space Telescope played a pivotal role in two important breakthroughs occurring just five weeks apart. But what might seem like extraordinary good luck is really the product of research, analysis, ...
Astronomers have witnessed, in the finest detail yet, a brutal David-vs-Goliath fight between two nearby galaxies that are tearing chunks from each other and flinging them into the gaseous Magellanic Stream, a cosmic river ...
Do star clusters harbor many generations of stars or just one? Scientists have long searched for an answer and, thanks to the University of Arizona's MMT telescope, found one in the Wild Duck Cluster, where stars spin at ...
For the first time, a team of astronomers has observed several pairs of galaxies in the final stages of merging together into single, larger galaxies. Peering through thick walls of gas and dust surrounding the merging galaxies' ...
A scientific paper led by two researchers at Harvard University made a splash this week by claiming that a cigar-shaped rock zooming through our solar system may have been sent by aliens.
An international team led by the astrophysicist Carolina von Essen, has used the OSIRIS spectrograph on the Gran Telescopio Canarias (GTC) to study the chemical composition of a planet whose equilibrium temperature is around ...
The sun, like all stars, was born in a giant cold cloud of molecular gas and dust. It may have had dozens or even hundreds of stellar siblings – a star cluster – but these early companions are now scattered throughout ...
Our universe is capable of some truly frightening scenarios, and in this case we have an apparent tragedy: two stars, lifelong companions, decide to move away from the Milky Way galaxy together. But after millions of years ...
An international team of astronomers has detected a new luminous quasar at a redshift of 7.02. The newly found quasi-stellar object (QSO), designated DELS J003836.10–152723.6, is the most luminous quasar known at a redshift ...
Scientists have discovered that bacteria in the deepest parts of the seafloor are absorbing carbon dioxide and could be turning themselves into an additional food source for other deep-sea life.
A team of researchers from Canada, France and Poland has found that electrons inside of some ceramic crystals appear to dissipate in a surprising, yet familiar way—possibly a clue to the reason for the odd behavior of "strange ...
Researchers at the University of Zurich have determined the three-dimensional structure of a receptor that controls the release of calcium from bones. The receptor is now one of the main candidates for developing new drugs ...
Birds are the surviving descendants of predatory dinosaurs. However, since the likes of Tyrannosaurus and Velociraptor, some parts of their anatomy have become radically transformed. The skull, for instance, is now toothless, ...
A team of researchers from China, the U.S. and Norway has found that urging rural residents to switch from burning wood and grasses to cleaner fuels for cooking has resulted in less fine particulate matter being spewed into ...
A small team of researchers at Université Paris Diderot has come up with a way to combine pneumatics with a hydrogel to create a baromorph for soft robotics applications—a baromorph is a soft material that self-configures ...
Whether they're tracking the future spread of an epidemic, or determining where best to distribute a vaccine during an outbreak, today's disease researchers depend on reliable computer models.
A bacterial toxin that allows an infectious strain of bacteria to defeat its competitors has been discovered by Imperial College London scientists.
A team of researchers from the School of Physics at the University of St Andrews have developed tiny lasers that could revolutionise our understanding and treatment of many diseases, including cancer.
Norwegian aviation executives like to joke among themselves that when God created aviation, he was thinking of Norway.
Observable effects of climate change that scientists had predicted in the past are now a reality: Glaciers are shrinking, plant and animal ranges have shifted and trees are flowering sooner.
Chemical clues in waters near Marcellus Shale gas wells in rural Pennsylvania can identify new drilling-related sources of methane contamination, according to scientists.
In a study released on Nature Climate Change's website today, scientists draw from recent findings to underscore the multifaceted dynamics of surface melting in Antarctica. The study authors come from Columbia University's ...
Different subpopulations of a plant species can have distinct traits, varying in size, seed count, coloration, and so on. The primary source of this variation is genes: different versions of a gene can lead to different traits. ...
Frogs from groups exposed to a deadly virus are breeding at younger ages, new research suggests.
One-fifth of global electricity consumption is based on lighting; efficient and stable white-light emission with single materials is ideal for applications. Photon emission that covers the entire visible spectrum is, however, ...
A team of U.S. and Korean physicists has found the first evidence of a two-dimensional material that can become a magnetic topological insulator even when it is not placed in a magnetic field.
A previously unappreciated interaction in the genome turns out to have possibly been one of the driving forces in the emergence of advanced life, billions of years ago.
Cat lovers know when kitties groom, their tongues are pretty scratchy. Using high-tech scans and some other tricks, scientists are learning how those sandpapery tongues help cats get clean and stay cool.
Engineers at Duke University have demonstrated a device that can direct photons of light around sharp corners with virtually no losses due to backscattering, a key property that will be needed if electronics are ever to be ...
A new study published in Nature Climate Change provides one of the most comprehensive assessments yet of how humanity is being impacted by the simultaneous occurrence of multiple climate hazards strengthened by increasing ...
Earth's latest ice age may have been caused by changes deep inside the planet. Based on evidence from the Pacific Ocean, including the position of the Hawaiian Islands, Rice University geophysicists have determined Earth ...
Long-term observations of surface temperatures show an intensified surface warming in Canada, Siberia, Alaska and in the Arctic Ocean relative to global mean temperature rise. This warming pattern, commonly referred to as ...
Until humans can find a way to geoengineer ourselves out of the climate disaster we've created, we must rely on natural carbon sinks, such as oceans and forests, to suck carbon dioxide out of the atmosphere. These ecosystems ...
NASA has picked an ancient river delta as the landing site for its uncrewed Mars 2020 rover, to hunt for evidence of past life on Earth's neighboring planet, officials said Monday.
Wok tossing is essential for making a good fried rice—or so claim a group of researchers presenting new work at the American Physical Society's Division of Fluid Dynamics 71st Annual Meeting, which will take place Nov. ...
As the Antarctic ice sheet melts, warming of the atmosphere will be delayed by about a decade but sea level rise will accelerate, according to new research scheduled for advance online publication in the journal Nature.
Every day, thousands of trained K9 dogs sniff out narcotics, explosives and missing people across the United States. These dogs are invaluable for security, but they're also very expensive and they can get tired.
New research from Portland State University finds vitamin D, or a lack thereof can trigger or suspend embryonic development in a species of fish. The study also provides evidence suggesting the vitamin is critical to the ...
Smoke from widespread fires in Indonesia in the summer and fall of 2015 hung heavily over major urban centers in Southeast Asia, causing adverse health effects for millions of people. The afflicted could not have known that ...
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