"This finding is the first direct evidence of water’s interstellar journey from clouds to the materials that form planetary ...

A new paper presents a method for distinguishing between different sources of nanohertz gravitational waves. Pulsars may be ...

The first-ever detection of this rare form of water in a protoplanetary disk suggests that what we drink might have been ...

Astronomers have discovered a surprisingly "pristine" red giant with the lowest concentration of heavy elements ever seen in a star. It is likely a direct descendant of one of the universe's first ...

The most energetic events in the universe are gamma ray bursts, beams of radiation so intense they could wipe out all life on ...

Stars often fall into black holes, and now it seems the opposite can also occur, producing an extra long-lasting explosion as ...

O'Grady and her colleagues found no sign of X-rays in the Chandra data. Even assuming that the wind gusting out of Betelgeuse ...

Pulsars suggest that ultra–low-frequency gravitational waves are rippling through the cosmos. The signal seen by ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

The GWTC 4.0 catalog records 128 new gravitational wave signals, revealing mergers of black holes and neutron stars detected by LIGO.

Our readers agree that in the unlikely event you were able to approach a neutron star, it would look very smooth and bright ...

The most detailed glimpse yet of a doomed star hidden in dust before it exploded has been captured by astronomers. Using NASA ...