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 ...

For many viewers, "Firefly" remains the best one-season space show of all time. Taking into account its legacy and how it's ...

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

Scientists propose that a moon base could act as an isolated first line of biological defense against extraterrestrial ...

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 ...