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

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

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

About 1.5 million years ago, individuals of two different species in the human evolutionary lineage trudged on a muddy ...

Footprints from 1.5mil years ago made by two different species of human ancestors were made within hours on the same spot—a ...

Ancient footprints discovered in Kenya belong to two different species of human relatives who walked on the same ground at ...

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

The discovery offers new insight into human evolution, particularly between the two early human species, known as hominins — a term for a subdivision of hominids. Hominins are all organisms within the ...

Scientists were able to distinguish between the two species because of the shape of the footprints, which holds clues to the ...