Astronomers with the Event Horizon Telescope have developed a new way to observe the radio sky at multiple frequencies, and ...

Researchers have found fresh evidence that Africa is breaking apart because of a deep mantle superplume of hot rock beneath ...

Around 2,000 years ago, fraternal twin infants were buried facing each other in a cemetery. But it's still unknown why they ...

If you're tired of lugging your massive telescope to dark sky sites to observe the night sky, these small telescopes are much more portable and lightweight.

When two spelunkers investigated what they thought was trash in a cave in Mexico, they discovered more than a dozen artifacts ...

A tomb that may have been built for a close friend of Alexander the Great may be aligned with the winter solstice.

But when parrots live with people, they don't have any flockmates to learn "parrot" from. Instead, they use their highly ...

The decades-long struggle to find a permanent place to dispose of nuclear waste will continue, probably for many years to ...

NASA hasn't landed humans on Mars yet. But thanks to robotic missions, scientists now know more about the planet's surface ...

Scientists may have discovered the most powerful particle colliders in the universe — and they're strewn throughout our ...

The new image shows one galaxy piercing another with intense quasar radiation. Astronomers likened the violent galaxy ...

The speed of light is the fastest anything can travel. What happens to a photon from a galaxy 25 million light years away on ...