human ancestors

A new model shows that humans might be the product of stress and adaptation to changing conditions.

Another whopping find in the 'Cradle of Humankind.'

Scientists in the field disagree about whether this represents an entirely new species, but it's exciting no matter what.

Humanity's origins aren't as simple as we thought

Excerpt: Superior

Excerpt: Humanimal

But the hybrid girl raises more questions than she answers.

Anatomical compromises from millions of years ago have made birth hard for humans.

To find fossils from humanity’s origins, these scientists must first lower themselves down a 40-foot-long cave chute.

Or maybe they were just having fun?