New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.

"Independence Day" isn't technically "The War of the Worlds" but it's still one of the most successful adaptations of HG ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

A look at 10 of the greatest alien sci-fi movies, from Ridley Scott's Alien to Denis Villeneuve's Arrival, none by Steven ...

Left to Right: Steven Yeun in "Nope," the alien in Steven Spielberg's "E.T." and Scarlett Johansson in "Under the Skin" (Universal Pictures / A24) It didn’t take long for stories about ...

The makers of the blockbusting sci-fi thriller reveal how they made a hit, why Kevin Spacey was almost involved and what went wrong with the sequel ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Discover six hard sci-fi films where science shapes story and emotion, like Europa Report and The Martian. Brainy, emotional, ...

The Boulder Garden proves that sometimes reality is stranger and more spectacular than fiction, with geological wonders that ...