Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

If you're looking to impress your friends with some rare space facts, these gems will serve you well. The Largest Known Star ...

Many of those questions surround black holes. These things are a relatively recent discovery, and every day, we learn more ...

Ancient quasars seen by the James Webb Space Telescope technically shouldn’t exist, but one rare type of dark matter could ...

Traditional black holes, as predicted by Albert Einstein's theory of General Relativity, contain what are known as ...

"History shows us that whenever you do open a new 'energy window,' you never really know what you're going to find. It's completely unexplored." ...

Astronomers have been able to image gas as it travels down a 3 million light-year-long cosmic highway between two growing ...