IMAGES of an unusual pyramid-shaped structure on Mars that look like those in Egypt have reignited wild theories about aliens ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in ...

Scientists have discovered natural space weather stations that exist around distant stars because these stations can ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

While the document appeared on the CIA's website, it was merely a translation of a newspaper article based on a fabricated ...

A strange formation spotted deep within a massive Martian canyon is once again fueling debate over whether something more ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Screenwriter Drew Goddard talks about Project Hail Mary, keeping the ending, his scrapped Sinister Six movie and more.

From They Live and The Man from Earth to Sunshine and District 9, these sci-fi films have quiet ideas that echo louder than ...

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of techno-signature hunters. A highly advanced civilization could build a "sphere" (or ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...