Cosmological data suggest unexpected masses for neutrinos, including the possibility of zero or negative mass.

New infrared image highlights star formation triggered by merger-in-progress. Arp 107, a pair of interacting galaxies, shines ...

Astronomers found the biggest pair of black hole jets ever observed, stretching 23 million light years. and named this system ...

The largest known black hole jets, 23 million light years across, have been discovered in the distant universe. This pair of ...

Astronomers using NASA's Chandra X-ray Observatory have found a galaxy cluster has two streams of superheated gas crossing ...

Astronomers have discovered twin black hole jets that span a distance greater than 140 Milky Way galaxies long, the biggest jets found yet.

Thus far, the search for extraterrestrial intelligence (SETI) has used strategies based on classical science—listening for ...

The Phantom Galaxy (M74) has been imaged in infrared and optical light using the James Webb Space Telescope and Hubble Space ...

Astronomers have detected a supermassive black hole starving its galaxy of gas, halting star formation in the early universe.

Other proposed solutions include suggestions of magnetic fields affecting the formation of the first atoms, or even that ...

A recently-discovered powerful cosmic lens, which magnifies profoundly distant objects in space. Credit: William Sheu (UCLA) ...

Exoplanets in binary star systems usually orbit both stars, but astronomers have now spotted three planets orbiting one or ...