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.

Scientists have discovered the oldest known fossils on Earth, 3.7 billion-year-old microbial remnants, uncovered in Greenland’s Isua Greenstone Belt. This exceptional discovery suggests that life ...