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

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.

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

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

John Carpenter proved he could do far more than horror classics in this formulaic yet compelling 1984 film starring Jeff ...

Astronomers propose finding alien civilizations by searching for unusually cold stars that could be surrounded by Dyson swarms—energy-harvesting structures first proposed by Freeman Dyson.

Researchers at MBARI, the Monterey Bay Aquarium Research Institute, have been exploring this hidden world for years. Using ...

Is it possible that potential alien life may uncover one of Earth's Hot 100 Top 10 numbers? Read more about the options and the likelihood here.

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

By Will Dunham WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the ...