Scientists have found microorganisms crawling over a sample retrieved from the 200 million-mile-distant asteroid Ryugu. But ...

Thousands of cattle have been killed and carefully harvested for their sex organs for at least half a century, leaving no ...

A recent discovery made by scientists working with a sample of rock from outer space highlights one of the huge challenges ...

A set of footprints found at the site of Koobi Fora in Kenya reveals that our ancestor Homo erectus coexisted with a ...

Newly discovered 1.5-million-year-old footprints reveal how two extinct human species crossed paths within hours of each ...

More than a million years ago, on a hot savanna teeming with wildlife near the shore of what would someday become Lake ...

Footprints preserved on the shore of Lake Turkana in Kenya seem to be from two ancient human species, showing they lived ...

Two species of ancient human relatives crossed paths 1.5 million years ago. Fossilized footprints in Kenya captured the ...

Ancient fossil footprints are the first evidence of two different hominin species − Homo erectus and Paranthropus boisei − ...

In the new study, researchers compared digital 3-D models of ancient hominid footprints and trackways to those made by people today — including Kenyan herders who rarely or never wear shoes — ...

In a paper published today, Nov. 28, in the journal Science, an international team of researchers from the U.S., Kenya and the UK provide the first direct evidence of two different ancient human ...