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

Scientists discovered 1.5-million-year-old footprints in Kenya, revealing two hominin species coexisted and interacted.

The footprints were left in the mud by two different species “within a matter of hours, or at most days,” a co-author of the ...

Donald Trump's drive to upend the FBI was welcomed by Republican senators although it was not clear on Sunday how strongly ...

Negotiators working on a treaty to address the global crisis of plastic pollution won’t reach an agreement in South Korea and ...

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