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A blueprint for life forms on Mars?
The extremely salty, very cold, and almost oxygen-free environment under the permafrost of Lost Hammer Spring in Canada's High Arctic is the one that most closely resembles certain areas on Mars. So, if you want to learn more about the kinds of life forms that could once have existed - or may still exist - on Mars, this is a good place to look.
June 22, 2022 Read more
Mysterious 'blue blobs' reveal a new kind of star system
Astronomers have identified five examples of a new class of stellar system. They're not quite galaxies and only exist in isolation.
June 17, 2022 Read more
Dying stars could seed interstellar medium with carbon nanotubes
Evidence suggests that carbon nanotubes, tiny tubes consisting of pure carbon, could be forged in the envelopes of dust and gas surrounding dying stars.
June 17, 2022 Read more
Astronomers find evidence for most powerful pulsar in distant galaxy
Astronomers have discovered one of the youngest known neutron stars - possibly as young as only 14 years. The dense remnant of a supernova explosion was revealed when bright radio emission powered by the pulsar's powerful magnetic field emerged from behind a thick shell of debris from the explosion.
June 16, 2022 Read more
To find a planet, look for the signatures of planet formation
Finding forming planets is a tough but important job for astronomers: Only three planets have ever been discovered caught in the process of forming, and the most recent of these was found just weeks ago.
June 15, 2022 Read more
Astronomers discover a multiplanet system nearby
Just 33 light years from Earth, the system appears to host two rocky, Earth-sized planets.
June 15, 2022 Read more
What faint dwarf galaxies can tell astronomers about galaxy formation
Galaxy formation models simulate how galaxies would grow from tiny fluctuations in dark matter early in the history of the universe into galaxies like we might observe today.
June 15, 2022 Read more
Scientists on the hunt for planetary formation fossils reveal unexpected eccentricities in nearby debris disk
Astronomers have imaged the debris disk of the nearby star HD 53143 at millimeter wavelengths for the first time, and it looks nothing like they expected.
June 14, 2022 Read more
Wandering star disrupts stellar nursery
Event provides new evidence that traveling stars can form binary systems.
June 14, 2022 Read more
Millisecond pulsars can explain the gamma-ray excess in the Milky Way center
Scientists have found that old and fast spinning neutron stars called millisecond pulsars could be responsible for an unexplained signal from the center of our Milky Way.
June 13, 2022 Read more
Hubble determines mass of isolated black hole roaming our Milky Way galaxy
The Hubble Space Telescope has, for the first time ever, provided direct evidence for a lone black hole drifting through interstellar space by a precise mass measurement of the phantom object.
June 10, 2022 Read more
Researchers find ten billion-year old 'ghost stars' from swallowed galaxy
Astronomers have found a group of stars in the Milky Way disk, that are most likely remnants from an unknown baby galaxy that was swallowed by the Milky Way over 10 billion years ago. Nothing like it has been discovered in the galaxy disk before.
June 10, 2022 Read more
Ground-breaking number of brown dwarfs discovered
Brown dwarfs are mysterious astronomical objects that fill the gap between the heaviest planets and the lightest stars, with a mix of stellar and planetary characteristics. Due to this hybrid nature, these puzzling objects are crucial to improve our understanding of both stars and giant planets.
June 9, 2022 Read more
Rapid-fire fast radio burst shows hot space between galaxies
A recently discovered, rare and persistent rapid-fire fast radio burst source - sending out an occasional and informative cosmic ping from more than 3.5 billion light years away - helps to reveal the secrets of the broiling hot space between the galaxies.
June 9, 2022 Read more
Strange radio burst raises new questions
Astronomers have found only the second example of a highly active, repeating Fast Radio Burst (FRB) with a compact source of weaker but persistent radio emission between bursts. The discovery raises new questions about the nature of these mysterious objects and also about their usefulness as tools for studying the nature of intergalactic space.
June 8, 2022 Read more
Colossal collisions linked to solar system science
A new study shows a deep connection between some of the largest, most energetic events in the universe and much smaller, weaker ones powered by our own Sun.
June 7, 2022 Read more
Detecting new particles around black holes with gravitational waves
Clouds of ultralight particles can form around rotating black holes. A team of physicists now show that these clouds would leave a characteristic imprint on the gravitational waves emitted by binary black holes.
June 7, 2022 Read more
Researchers create 'time machine' simulations studying the lifecycle of ancestor galaxy cities (w/video)
Researchers have created time machine-like simulations recreate the full life cycle of some of the largest collections of galaxies observed in the distant universe 11 billion years ago.
June 6, 2022 Read more