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

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 ...

In the center of our galaxy, the Milky Way, there is a supermassive black hole feeding on nearby stars. It's called Sagittarius A*. And if a giant gravitational monster slowly eating the galaxy isn't ...

Astronomers have discovered a beautiful, well-formed spiral galaxy from a time when the universe was still very young—only ...

New simulations reveal that the Milky Way’s odd split between two chemically distinct groups of stars isn’t a universal ...