“Hundreds of fossils representing over a dozen species of Ardipithecus, Australopithecus, and Homo had been found in the Afar ...

A rare fossil discovery in Ethiopia has pushed the known range of Paranthropus hundreds of miles farther north than ever before. The 2.6-million-year-old jaw suggests this ancient relative of humans ...

A rare Homo habilis skeleton from Kenya reveals how early humans moved, climbed, and adapted more than two million years ago.

Including everything from mad scientists to robotic villains, awe-inspiring heroes, and even iconic movie monsters, these are ...

During pregnancy, maternal and fetal cells migrate back and forth across the placenta, with fetal cells entering the mother's bloodstream and tissues ...

Treponema pallidum, a microorganism that can cause a deadly sexually transmitted disease in humans, may have a far more ancient lineage than scientists once thought ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

Science fiction often shows aliens with human features like eyes, limbs, and faces. But science has a reason for questioning ...

When we imagine alien life, we picture monsters, insects, or tentacles—but what if the most realistic aliens are human-like?

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

If aliens disclose tomorrow, is it 'Arrival''s calm contact, 'Don't Look Up''s denial, or 'Independence Day''s invasion? We break down the real scenarios fans are debating.

The newly described specimen is a partial left mandible plus a molar crown, dated to about 2.6 million years ago using multiple methods, making it one of the oldest Paranthropus fossils known. The ...