Two species of ancient humans walked beside each other 1.5 million years ago, fossil footprints have revealed.

That’s exactly what happened in Kenya, where fossilized footprints tell the story of two early human species sharing the same ...

The other species, which was also walking upright, was moving "in a different way from anything else we've seen before, anywhere else," said co-author Erin Marie Williams-Hatala, a human ...

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

An international team of researchers said Thursday that they had found two sets of hominin footprints that were made about ...

The only first certain signs that ancient humans were living together came in 2010, when researchers published the complete ...

Researchers believe that the extinct human species lived in small groups, which might have made them susceptible to ...

More than a million years ago, on a hot savannah teeming with wildlife near the shore of what would someday become Lake Turkana in Kenya, two completely different species of hominins may have passed ...

Our understanding of human ancestry has changed dramatically since the discovery of Lucy the ancient hominin 50 years ago.

In early paleoanthropology studies, assigning new species names to hominin fossils had been standard practice ... noting the ...

More than 1.5 million years ago, two different species of ancient humans crossed paths on a lakeshore, perhaps locking eyes ...