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

A strange pyramid-shaped formation on Mars has fueled speculation that an advanced, Earth-like civilization may have once ...

New experimental results have cast doubt on earlier proposals suggesting that spherical, cell-like membranes could form in ...

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

Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique ...

Scientists are searching for evidence of microbial life left behind in these mineral deposits.

Research scientists are saying that recycled human waste could help grow crops on the Moon and Mars, representing a ...

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much ...

In a series of experiments at Johns Hopkins University, Lily Zhao fired tiny samples of a microorganism with a room-sized gas ...

On March 10, 2000, Disney's big-budget sci-fi film Mission to Mars premiered in theaters, with the movie studio hoping for a super successful blockbuster. Unfortunately, the movie ...

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