"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

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

War of the Worlds is one of Steven Spielberg's darkest films, and it was heavily influenced by a sci-fi horror classic that ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

Unlike the comets that call our solar system home, 3I/ATLAS is a cosmic nomad on a hyperbolic trajectory — a one-time flyby ...

“Hollywood has preconditioned us to expect one of two types of alien contact, either a hostile invasion force or a benevolent ...

You're going to see a lot of stories in 2026 claiming soon-to-be-achieved science and tech advances. Here are the ones just ...

Uri Geller alleges NASA is hiding alien remains tied to interstellar comet 3I/ATLAS, sparking debate amid scientific evidence that the object is a natural comet.

Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from ...

As the year draws to a close, we take a look at some of the biggest science stories of the year, and why they matter.