The Cat’s Eye Nebula holds a special place in scientific history. In 1864, astronomers examining the spectrum of its light ...

President Trump’s administration approved a new $151 million arms sale to Israel after Trump said he would not negotiate with ...

By Jon Gambrell, David Rising, Sam Metz And Sally Abou Aljoud Explosions sent up clouds of dark smoke in the Iranian capital ...

The space between galaxies is not empty. In a new map of the early universe, those “blank” stretches take on a faint, ...

DUBAI, United Arab Emirates — Explosions sent up clouds of dark smoke in the Iranian capital city early Saturday, and Tehran ...

There’s a place in Michigan where the wildlife has apparently decided that humans are actually pretty okay, and it’s not a ...

First and perhaps most perplexingly, researchers remain unsure about what exactly dark matter is. Originally, some scientists conjectured that the missing mass in the universe was made up of small ...

A unique technique allowed astronomers to see the early universe as a "sea of light" and explore the effects of gravity and dark energy on cosmic evolution.

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...