Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

He cited the astronomical gaffe in January, when The Minor Planet Center in Cambridge, Mass., announced the discovery of an ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

From space slugs to lunar cemeteries, these movies, games, and books show that the undead can arrive from above, as well as below.

The Dead Space series is one of the biggest names in sci-fi horror, successfully blending a creepy, awful atmosphere with setpieces of relentless, grisly action. In the movie world, the Alien ...