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Astronomy & Space news
High school student uses AI to reveal 1.5 million previously unknown objects in space
Through his research at Caltech, a local high school student revealed 1.5 million previously unknown objects in space, broadened the potential of a NASA mission, and published a single-author paper.
Astronomy
8 hours ago
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173
Galactic superwinds may help galaxies leak ionizing radiation, Haro 11 study finds
Our new study of the nearby starburst galaxy Haro 11 has shown that strong X-ray-emitting superwinds may be a key mechanism enabling galaxies to leak ionizing radiation, which is believed to have played a major role in the ...
Satellite galaxies gone awry: Andromeda's asymmetrical companions challenge cosmology
The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal that this degree of asymmetry ...
Astronomy
13 hours ago
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From boring to bursting: A giant black hole awakens
Although we know that supermassive black holes (millions of times the mass of our sun) lurk at the center of most galaxies, their very nature makes them difficult to spot and study. In contrast to the popular idea of black ...
Astronomy
17 hours ago
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148
Hubble captures a star's swan song in planetary nebula Kohoutek 4-55
The swirling, paint-like clouds in the darkness of space in this stunning image seem surreal, like a portal to another world opening up before us. In fact, the subject of this NASA/ESA Hubble Space Telescope image is very ...
Astronomy
13 hours ago
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How NASA science data defends Earth from asteroids
The asteroid 2024 YR4 made headlines in February with the news that it had a chance of hitting Earth on Dec. 22, 2032, as determined by an analysis from NASA's Center for Near Earth Object Studies (CNEOS) at the agency's ...
Astronomy
14 hours ago
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Energy densities offer new path to resolving the Hubble tension
Researchers from the University of Waterloo have proposed a new method to measure the Hubble constant that could help resolve one of modern cosmology's pressing puzzles: the Hubble tension.
X-ray binary 4U 1907+09: NuSTAR observations reveal flux variability and spin-down
Using NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), Indian astronomers have performed X-ray observations of an X-ray binary designated 4U 1907+09. Results of the observational campaign, published April 3 on the arXiv ...
Webb's autopsy of planet swallowed by star yields surprise
Observations from NASA's James Webb Space Telescope have provided a surprising twist in the narrative surrounding what is believed to be the first star observed in the act of swallowing a planet. The new findings, published ...
Astronomy
Apr 10, 2025
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73
Q&A: How to (theoretically) spot an alien
Are we alone in the universe? The answer to one of humanity's biggest questions is complicated by a basic reality: If there is life on other worlds, it may not look familiar. A sample of rocks from Mars or another planet ...
Astrobiology
Apr 10, 2025
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'Hidden galaxies' could be smoking gun in universe riddle
Astronomers have peered back in time to find what looks like a population of "hidden" galaxies that could hold the key to unlocking some of the universe's secrets. If their existence is confirmed it would "effectively break ...
Astronomy
Apr 10, 2025
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Our closest neighboring galaxy may be being torn apart
A team led by Satoya Nakano and Kengo Tachihara at Nagoya University in Japan has revealed new insights into the motion of massive stars in the Small Magellanic Cloud (SMC), a small galaxy neighboring the Milky Way.
Astronomy
Apr 10, 2025
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Rock diversity along rim of Jezero Crater offers a wide glimpse of Martian history
Scientists with NASA's Perseverance rover are exploring what they consider a veritable Martian cornucopia full of intriguing rocky outcrops on the rim of Jezero Crater. Studying rocks, boulders, and outcrops helps scientists ...
Planetary Sciences
Apr 10, 2025
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NASA's Juno back to normal operations after entering safe mode
Data received from NASA's Juno mission indicates the solar-powered spacecraft went into safe mode twice on April 4 while the spacecraft was flying by Jupiter. Safe mode is a precautionary status that a spacecraft enters when ...
Space Exploration
Apr 10, 2025
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How many exoplanets are hiding in dust?
What can exozodiacal dust, also called exozodi, teach astronomers about identifying Earth-like exoplanets? This is what a recently submitted NASA white paper—which highlights key findings from the annual Architecture Concept ...
Planetary Sciences
Apr 10, 2025
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Flocks of CubeSats can efficiently monitor farms
The widespread use of low Earth orbit (LEO), especially by thousands of CubeSats, has opened up many opportunities in research and business applications. One particular field that has benefited from the data that CubeSats ...
Planetary Sciences
Apr 10, 2025
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Astronomy professor offers new theory on universe's star formation
The universe doesn't come with an instruction manual—but if it did, University of Missouri Assistant Professor Charles Steinhardt suspects a few pages are missing. Either the universe has been playing by different rules ...
Astronomy
Apr 9, 2025
2
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JWST observations detect dusty disk around the central star of Ring Nebula
Using the James Webb Space Telescope (JWST), an international team of astronomers has observed a planetary nebula designated Messier 57 (also known as NGC 6720), dubbed the Ring Nebula. As a result, they found that the central ...
Hubble unveils first images of ongoing star cluster mergers near center of dwarf galaxies
A new study reports the first direct observation of merging star clusters in the nuclear region of dwarf galaxies. This detection confirms the feasibility of this formation route for nuclei in dwarf galaxies, which has long ...
Astronomy
Apr 9, 2025
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104
Scientists discover how stellar-mass black holes emit powerful plasma jets
Black holes are fundamental to the structure of galaxies and critical in our understanding of gravity, space, and time. A stellar mass black hole is a type of black hole that forms from the gravitational collapse of a massive ...
Astronomy
Apr 9, 2025
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More news
A micromoon will grace the night skies this weekend
The search for biosignatures in Enceladus' plumes
A US-Russian crew of 3 arrives at the International Space Station
Other news
Researchers discover a new type of quantum entanglement
First atomic-level video of catalytic reaction reveals hidden pathways
Light that spirals like a nautilus shell
Deeper understanding of plant cell transformation could pave way for controlling fruit growth
O'ahu's shores could see heavy erosion by 2030, study finds
Researchers identify simple rules for folding the genome
'Internet of nature' helps researchers explore the web of life
Methane detected in the atmosphere of the nearest T dwarf
Gateway lunar space station's first habitation module arrives in U.S.
Engineered bacteria emit signals that can be spotted from a distance
Einstein's dream of a unified field theory accomplished?
New experiment halves weight limit of elusive neutrinos
A new approach to probe hadronization via quantum entanglement
