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 ...

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 ...

For as long as humans have looked up at the night sky, we've wondered who, or what, might be looking back. Journalist Becky Ferreira dives into this rich history in her new book "First Contact: The ...

Hybrid humans, corporate nation-state competitors, and xenomorph chat rooms: we’ve learned much since the USCSS Maginot went splat on New Siam in Alien: Earth Episode 1 (“Neverland”). We’re also ...

A strange object hurdling through our solar system from interstellar space may, according to one of academia’s most controversial astronomers, have been sent by aliens to see how smart we are. “It is ...