Footprints found at White Sands National Park in New Mexico provide the earliest unequivocal evidence of human activity in the Americas.

As we live and breathe, ancient-looking fish known as bowfin are guarding genetic secrets that that can help unravel humanity’s evolution

People remember past experiences through the so-called episodic memory system and can manipulate their memories on three levels.

Neanderthals, long perceived to have been unsophisticated and brutish, really did paint stalagmites in a Spanish cave 60,000 years ago.

Movies and television often show romance begin when two strangers meet. Real-life couples, however, are far more likely to begin as friends

A near-perfectly preserved ancient human fossil known as the Harbin cranium sits in the Geoscience Museum in Hebei GEO University

Humans may be able to live for between 120 and 150 years, but no longer than this "absolute limit" on human life span

Engaged listening techniques such as eye contact, nodding and using key words to praise openness helps teenagers

Dogs may have earned the title "man's best friend" because of how good they are at interacting with people.