Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Feature | A lot has happened to Amanda Ripley since the first Alien Isolation ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

An extraterrestrial creature resembling a cephalopod, such as a squid, changed its skin color and moved its tentacles, ...

Whether you like it or not, these first-person shooters are going to make you play as the villain. Embrace it; sometimes ...

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

Only at the precipice do we evolve.” Those words, spoken by Professor Barnhardt in The Day the Earth Stood Still, capture one ...

The fight against antisemitism begins with historical truth and remembering the vital role Jews played in building America.