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

A new analysis of fossils uncovered in Central Africa offers additional evidence that a human ancestor walked upright 7 million years ago.

You have probably seen the images of the surface of Mars, beamed back by NASA's rovers. What if there were a time machine ...

The complex motivations of the Bondi Beach attackers – who displayed an Islamic State flag and seem to have sworn allegiance ...