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Astronomy news
Hubble views dwarf galaxy LEDA 4216
This NASA/ESA Hubble Space Telescope image shows LEDA 42160, a galaxy about 52 million light-years from Earth in the constellation Virgo. The dwarf galaxy is one of many forcing its way through the comparatively dense gas ...
Astronomy
15 hours ago
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The cosmic neutrino background would tell us plenty about the universe, says researcher
Readers of Universe Today are probably already familiar with the concept of the cosmic microwave background (CMB). Its serendipitous discovery by a pair of radio astronomers at Bell Labs is the stuff of astronomical legend. ...
Astronomy
15 hours ago
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Largest-ever map of universe's active supermassive black holes released
Astronomers have charted the largest-ever volume of the universe with a new map of active supermassive black holes living at the centers of galaxies. Called quasars, the gas-gobbling black holes are, ironically, some of the ...
Astronomy
16 hours ago
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NASA volunteers find 15 rare 'active asteroids'
Some extraordinary asteroids have "activity"—comet-like tails or envelopes of gas and dust. NASA's Active Asteroids project announced the discovery of activity on 15 asteroids, challenging conventional wisdom about the ...
Astronomy
16 hours ago
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JWST observations shed more light on the nature of a distant galaxy cluster
Astronomers from the Nanjing University in China and elsewhere have performed high-resolution observations of a distant galaxy cluster known as CL J1001+0220 using the James Webb Space Telescope (JWST). The observational ...
Einasto Supercluster: The new heavyweight contender in the universe
An international team of scientists led by astronomers from Tartu Observatory of the University of Tartu has discovered many superclusters in the universe, with the most prominent among them named the 'Einasto Supercluster' ...
Astronomy
Mar 15, 2024
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The 'baritone' of red giants refines cosmic distance measurements
A fresh look at red giant stars offers key insights into cosmic distance measurements and a way to measure the universe's expansion with the highest accuracy.
Astronomy
Mar 15, 2024
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New research suggests that our universe has no dark matter
The current theoretical model for the composition of the universe is that it's made of normal matter, dark energy and dark matter. A new University of Ottawa study challenges this.
Astronomy
Mar 15, 2024
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GALILEO: Scientists propose a new method to search for light dark matter
New research in Physical Review Letters (PRL) has proposed a novel method to detect light dark matter candidates using laser interferometry to measure the oscillatory electric fields generated by these candidates.
Study reveals ancient ice may still exist in distant space objects
A paper recently published in Icarus presents findings about the Kuiper Belt Object 486958 Arrokoth, shedding new light on the preservation of volatile substances like carbon monoxide (CO) in such distant celestial bodies.
Astronomy
Mar 14, 2024
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Citizen astronomers and AI discover 30,000 ring galaxies
Building on the synergy between citizen astronomer classifications and AI, astronomers have discovered approximately 400,000 spiral galaxies and 30,000 ring galaxies in data from the Subaru Telescope. This is the first example ...
Astronomy
Mar 14, 2024
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Explaining a supernova's 'string of pearls'
Physicists often turn to the Rayleigh-Taylor instability to explain why fluid structures form in plasmas, but that may not be the full story when it comes to the ring of hydrogen clumps around supernova 1987A, research from ...
Astronomy
Mar 13, 2024
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Astronomers propose a 50-meter submillimeter telescope
Some parts of the universe only reveal important details when observed in radio waves. That explains why we have ALMA, the Atacama Large Millimeter–submillimeter Array, a collection of 7-meter and 12-meter radio telescopes ...
Astronomy
Mar 13, 2024
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IceCube identifies seven astrophysical tau neutrino candidates
The IceCube Neutrino Observatory, a cubic-kilometer-sized neutrino telescope at the South Pole, has observed a new kind of astrophysical messenger. In a new study recently accepted for publication as an Editors' Suggestion ...
Astronomy
Mar 13, 2024
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Webb finds ethanol and other icy ingredients for new worlds
An international team of astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered a variety of molecules, ranging from relatively simple ones like methane to complex compounds like acetic acid and ethanol, ...
Astronomy
Mar 13, 2024
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Astronomers perform a comprehensive study of the young open cluster NGC 2345
Using the Himalayan Chandra Telescope (HCT) and ESA's Gaia satellite, Indian astronomers have conducted a comprehensive study of a young open cluster designated NGC 2345. Results of the study, presented March 7 on the preprint ...
Condor telescope reveals a new world for astrophysicists
A new telescope called the "Condor Array Telescope" may open up a new world of the very-low-brightness universe for astrophysicists. Four new papers, published back to back in the Monthly Notices of the Royal Astronomical ...
Astronomy
Mar 12, 2024
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Dark Energy Camera captures remains of a massive star that exploded nearly 11,000 years ago in huge gigapixel image
This colorful web of wispy gas filaments is the Vela Supernova Remnant, an expanding nebula of cosmic debris left over from a massive star that exploded about 11,000 years ago. Located around 800 light-years away in the constellation ...
Astronomy
Mar 12, 2024
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Hubble sees spiral galaxy NGC 4423 edge-on
This NASA/ESA Hubble Space Telescope image shows NGC 4423, a galaxy that lies about 55 million light-years away in the constellation Virgo. In this image, NGC 4423 appears to have quite an irregular, tubular form, so it might ...
Astronomy
Mar 12, 2024
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NASA's Roman team selects survey to map our galaxy's far side
NASA's Nancy Grace Roman Space Telescope team has announced plans for an unprecedented survey of the plane of our Milky Way galaxy. It will peer deeper into this region than any other survey, mapping more of our galaxy's ...
Astronomy
Mar 12, 2024
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