A strange, starless cloud on the edge of a nearby galaxy is forcing astronomers to confront one of the biggest unknowns in ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

"You think that these things should not exist together, but there it is right in front of you, and it’s undeniable," ...

Comet 3I/ATLAS has arrived in the inner solar system behaving as if the usual rules of comet physics were optional. Instead ...

Over the last 20 years, scientists have come to recognize microplastics (MPs) and nanoplastics (NPs) as a growing form of ...

An international team of astronomers has uncovered multiple evolutionary paths for the universe's most massive galaxies. Observations of ultramassive galaxies, each containing more than 100 billion ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Astronomers from the Aryabhatta Research Institute of Observational Sciences (ARIES) in India and elsewhere have conducted a ...

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have captured what may be the biggest planet-forming disk ...

Gaia data reveals signs of planets forming around young stars by measuring stellar motion, identifying planetary, brown dwarf, and stellar companions in early star systems ...

Roughly 1,000 light-years away from Earth, a gigantic disk of gas and dust is swirling around a young star and giving rise to ...

Observations of 3I/ATLAS reveal that streaming gas in its anti-tail is limited to 5,000 km, with larger dust particles ...