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

For as long as humans have looked up at the night sky, we've wondered who, or what, might be looking back. From ancient myths about gods descending from the heavens to 20th-century UFO sightings and ...

(NEXSTAR) — The fourth episode of FX’s “Alien: Earth” shows off some of the series’ most grizzly, gory and spine-tingling creature scenes yet. Prodigy is putting its alien research to the test — but ...

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 ...