"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 ...

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 ...

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

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...

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

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 ...

From your place inside the Milky Way, you are living within a galaxy that keeps a detailed chemical diary. Every star holds ...

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 ...

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...