The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already steeped in high-energy particles. The finding hints at ancient black hole ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to understand the ...

Scientists may have found a new way to detect some of the universe's most mysterious objects, primordial black holes (PBHs), ...

Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful ...

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...

While Musk conceded he went “too far,” Bezos reportedly capitalized on the fallout in an attempt to close the gap between his ...