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Approximately 85 million light-years from Earth, in the constellation of Libra, is the beautiful galaxy NGC 5861, captured here by the NASA/ESA Hubble Space Telescope.
Astronomy
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Of the roughly 4,300 exoplanets confirmed to date, about ten percent of them are classified as "hot Jupiters." These are planets with masses between about 0.4 and 12 Jupiter-masses and orbital periods less than about 110 ...
Astronomy
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A pair of gigantic gamma-ray bubbles centered on the core of the Milky Way galaxy were discovered by the Fermi Gamma-ray Space Telescope 10 years ago. But how these so-called "Fermi bubbles" arose was a mystery.
Astronomy
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In an international emergency like the present one, you might expect the science of the stars to be the last thing on people's minds. The problems facing both individuals and governments are infinitely more pressing than ...
Astronomy
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Nature is a powerful sculptor—as shown in this image from ESA's Mars Express, which portrays a heavily scarred, fractured Martian landscape. This terrain was formed by intense and prolonged forces that acted upon Mars' ...
Space Exploration
3 hours ago
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Like crystal balls for the universe's deeper mysteries, galaxies and other massive space objects can serve as lenses to more distant objects and phenomena along the same path, bending light in revelatory ways.
Astronomy
20 hours ago
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Astronomers using the Subaru Telescope have determined that the Earth-like planets of the TRAPPIST-1 system are not significantly misaligned with the rotation of the star. This is an important result for understanding the ...
Astronomy
23 hours ago
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NASA's James Webb Space Telescope has been successfully folded and stowed into the same configuration it will have when loaded onto an Ariane 5 rocket for launch next year.
Space Exploration
20 hours ago
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When the New Horizons spacecraft passed by Pluto in 2015, one of the many fascinating features its images revealed was that this small, frigid world in the distant solar system has a hazy atmosphere. Now, new data helps explain ...
Space Exploration
May 14, 2020
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A laser light shone through the dark could power robotic exploration of the most tantalizing locations in our solar system: the permanently-shadowed craters around the moon's poles, believed to be rich in water ice and other ...
Space Exploration
May 14, 2020
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Russian astrophysicists have come close to determining the origin of high-energy neutrinos from space. The team compared data on the elusive particles gathered by the Antarctic neutrino observatory IceCube and on long electromagnetic ...
Astronomy
May 13, 2020
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Astronomers at the University of Canterbury (UC) have found an incredibly rare new Super-Earth planet towards the centre of the galaxy. The planet is one of only a handful that have been discovered with both size and orbit ...
Astronomy
May 13, 2020
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During a fly-by of Jupiter's moon Europa twenty years ago, NASA's space probe Galileo may have witnessed a plume of water. A group of scientists including researchers from the Max Planck Institute for Solar System Research ...
Space Exploration
May 13, 2020
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By listening to the beating hearts of stars, astronomers have for the first time identified a rhythm of life for a class of stellar objects that had until now puzzled scientists.
Astronomy
May 13, 2020
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Astronomers have probed an ultra-diffuse galaxy (UDG) known as VCC 1287 with the Keck Cosmic Web Imager (KCWI) in order to investigate its nature. The new results provide essential information about the galaxy's mass and ...
Currently crossing the skies above Earth, Comet C/2020 F8 (SWAN) has the potential to become a more prominent naked eye object by late May or early June. Yet it wasn't discovered by someone looking up at the night sky. Instead, ...
Space Exploration
May 13, 2020
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An international team of researchers, led by astronomers from the University of Amsterdam, has directly demonstrated the presence of iron in the atmosphere of an exoplanet for the first time. The researchers discovered emission ...
Astronomy
May 13, 2020
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Earth-based experiments on iron-sulfur alloys thought to comprise the core of Mars reveal details about the planet's seismic properties for the first time. This information will be compared to observations made by Martian ...
Space Exploration
May 13, 2020
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Not a spacesuit but a SCAPE suit—standing for "Self Contained Atmospheric Protective Ensemble." Technicians don these suits before filling satellites with the toxic hydrazine fuel used for maneuvers in space. This one was ...
Space Exploration
May 13, 2020
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A new study reports that astronauts excrete less sodium in space than on land, a finding that could have implications for the heart health of future space travelers.
Space Exploration
May 12, 2020
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