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 ...

The ring would have gradually fallen to Earth as meteorites, correlating to a spike of impacts seen in the geological record.

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 ...

Earth and Saturn might be a lot more similar than previously thought. In a new study, a team of researchers suggests that 466 ...

Astronomers have identified the largest black hole jet structure known, named Porphyrion, stretching 23 million light-years across, akin to 140 Milky Way galaxies aligned. This discovery, emerging ...

Earth's gravity will snag a new companion for September through November of this year as a newly discovered asteroid strays ...

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

A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...

To reach that surprisingly conclusion, scientists studied the positions of 21 asteroid impact craters during the Ordovician period – the second of six periods in the ...