A migrant advocacy organization that helps refugees throughout the world is taking offense to a White House website that says ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a ...

The group leading the charge in the search for extraterrestrial life has given the all clear. The SETI Institute said ...

Not every space show is here for a long time. Some of them are just here for a good time – or in this case, only a single ...

The comet arrived from interstellar space last year into our solar system, prompting earthling scientists to take a close ...

NASA spacecraft observed the celestial iceball as it swung past Mars last October, venturing within 19 million miles ...

NEW YORK (AP) — A moment early on in “Disclosure Day” will instinctively feel familiar to anyone who grew up with Steven ...