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

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...

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 ...

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

"Star Trek" fans love a good twist, but sometimes the writers conjure up a turn of events so shocking that even die-hard ...

From shocking twists to cinematic spectacles, these iconic sci-fi games wrap up their stories in unforgettable and ...

Look up on a dark night and the stars seem scattered at random. Step back in scale, though, and the Universe looks nothing ...

The final integration of the telescope's major observatory components took place on Nov. 25 inside NASA's Goddard Space ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

The filament of matter stretches 50 million light-years, and contains a row of galaxies 5.5 million light-years long that are ...

Space is packed with all sorts of weird and unexpected stuff, but this humongous, spinning string-thing raises a whole new ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...