The curious minds at What If explore what would happen if there is alien life on Jupiter's moon Europa.

The director’s more-is-more approach to the 1986 sequel gave us seat-edge action and an indelible performance from a rule-breaking Sigourney Weaver ...

Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, ...

It’s a real space oddity. Former Pentagon UFO investigator Luis Elizondo claims the US government possesses unreleased ...

From Project Hail Mary to Independence Day, Alien to Arrival, these alien movies are much better than Disclosure Day.

A deleted scene finally explains the blockbuster’s most mocked plot hole, making its infamous alien hacking twist far easier ...

The tantalizing prospect of inspecting a mysterious monolith on the surface of Mars moon Phobos was proposed earlier this ...

As the peerless "Aliens" turns 40, here are 26 reasons it's still the greatest sci-fi action movie of all time.

Every sequel faces the same impossible challenge. Audiences want more of what they loved the first time, but they also want ...

Scientists say they've detected in the harshly acidic clouds of Venus a gas called phosphine that indicates microbes may ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a “lunar biocontainment facility.” Reading time 3 minutes International ...