6-Million-Year-Old Ape's Ear Suggests We Learned to Walk Upright in 3 Steps

The sun’s poles are about to flip. The 11-year solar cycle, explained.

90,000-year-old human footprints found on a Moroccan beach are some of the oldest and best preserved in the world

Missing Skulls and a 5500-Year-Old Grave – Scientists Investigate Neolithic Mysteries