A seven-million-year-old skull found in Chad sits at the center of a long argument about human origins. The species, ...

A big difference between humans and other apes is the ability to stride easily on two feet. A new analysis of fossil bones shows that adaptations for bipedal walking go back 7 million years.

From big studio releases to smaller independent films, these are the most highly-anticipated movies releasing in theaters and ...

A fossil belonging to an ancient hominin that lived seven million years ago bears the hallmarks of bipedalism, according to a ...

A long-running and bitterly fought dispute over whether the earliest known hominin had a knuckle-walking gait, like ...

In recent decades, scientists have debated whether a seven-million-year-old fossil was bipedal—a trait that would make it the ...

A controversial hominid that lived 7 million years ago may have walked on two legs after all, according to a new analysis of ...

The push to abandon animal testing is gaining momentum, driven by the realization that it is costly, unreliable and ...

Shawn-Shawn, a history-making primate euthanized this week, made the front page of The New York Times in 1979.

The shift is part of a government-wide effort to phase out the use of live animals in federally sponsored tests, studies and ...

Expressing their 'deep concern' for their 'Armenian Christian brothers' currently in captivity in Azerbaijan, the authors ...

A drug once designed for dengue virus, then quietly abandoned by industry, is suddenly back in the spotlight, and it may be ...