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

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

By exploring Uranus’s moons, scientists aim to refine the tools and models necessary to search for life in similarly extreme ...

Dr. Dirk Schulze-Makuch believes his research into extremophiles in the Atacama could help NASA re-assess its search for ...

A team of researchers led by Matthew Genge at Imperial College London confirmed that the asteroid has organic molecules; it confirmed that the samples actually have signs of life — but this life doesn ...

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 ...

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 — ...