Ancient rocks reveal a potassium-40 deficit, the first physical evidence of the proto-Earth and insights into early planetary ...

These are the key pieces of evidence that convinced me something major is missing from our history books. A great starting ...

At Egypt’s Elephantine Island, newly examined granite artifacts reveal machining marks that some experts believe couldn’t ...

While more evidence is needed to link paleo-Americans to Japan, it is possible that they came by boat instead of crossing the ...

A study suggests that the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift. Dated to about 4,500 years ago, this would move up the introduction of ...

A new study shows ancient Egyptians made bronze stronger with speiss, changing what experts knew about early metalworking ...

Premieres Wednesday, Oct. 22, 2025 at 9 p.m. on KPBS TV / KPBS+. Deep in the Arabian Desert lie thousands of enigmatic stone megastructures whose true form is visible only from the sky. Follow ...

Learn about the crayon-like tools made by Neanderthals during the Middle Paleolithic and how these objects likely prove the existence of a complex Neanderthal culture.

University of Sheffield and University College London researchers have made the first successful detection of estrogen, ...

Scientists discover strange glassy beads in southern Australia, revealing a previously unknown asteroid impact around 11 million years ago.

When rolled on a moist clay tablet, these engravings left low-relief markings, signifying that the object's owner authorized ...