Scientists have confirmed that colossal collisions between galaxies trigger titanic eruptions in the centers of those ...

For most of human history, the Milky Way has been a hazy band of light, a backdrop rather than a map. Now, by reading the ...

"We might lose the ability to observe about 30% of the faintest galaxies. We are at the point of starting to be able to see ...

NASA has completed assembly of the Nancy Grace Roman Space Telescope, preparing for final testing and launch by May 2027 to ...

The center of the Milky Way is super bright because it’s packed with a lot of stars and a supermassive black hole. That black hole, called Sagittarius A*, is millions of times bigger than our sun! It ...

Experts are sounding the alarm about escalating space debris concerns and the urgent plan designed to prevent catastrophic disruptions to worldwide communications.

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Four UC Nobel laureates on what they discovered here, why it matters, and why their world-changing work could only have ...

Intermediate mass black holes (IMBH), if they exist, have between about 100 and 1,000 solar masses, placing them in between ...

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may ...

Dark matter is special in that it doesn't emit, absorb or interact with light, so science had to find a more creative way to ...

“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is ...