Wet spells in the Sahara may have opened the door for early human migration. According to new evidence, water-dependent trees and shrubs grew there between 120,000 and 45,000 years ago. This suggests that changes in the weather helped early humans cross

Racing across the Universe for the last 7.3-billion-years, two highly charged particles have arrived at Nasa's Fermi Gamma-ray Space Telescope within a second of one another. Excited scientists believe this could be evidence of Einstein's space-time theor

Scientists today announced the discovery of the oldest fossil skeleton of a human ancestor. The find reveals that our forebears underwent a previously unknown stage of evolution more than a million years before Lucy, the iconic early human ancestor

The story of humankind is reaching back another million years as scientists learn more about "Ardi," a hominid who lived 4.4 million years ago in what is now Ethiopia.

Lascaux is a World Heritage Site and late Upper Paleolithic cave complex in southwestern France that belongs to the Magdalenian Culture. Lascaux's cave paintings were made c.15-18,000 B.C. The sophistication of the Lascaux cave paintings is extraordinary

Adam Turay, 17, is a senior at South County Secondary School in Fairfax County. He is editor-in-chief of his school paper, The Courier, is a member of his school's "It's Academic" team and plays guitar and keyboards in a rock band.

Large quantities of water have been found on the Moon during India's first lunar mission, it has been disclosed.

As if they weren't considered beastly enough, black holes can dive into nearby stars and devour them from the inside out, scientists now suggest. Such invasions by such black holes could help explain the most powerful explosions in the universe.

The Oldest Lunar Calendars and Earliest Constellations have been identified in cave art found in France and Germany. The astronomer-priests of these late Upper Paleolithic Cultures understood mathematical sets, and the interplay between the moon annual cy

A large fish without scales that turned up floating off the coast of Brazil baffled scientists and specialists from the region who are studying the rare specimen and ensure that the species is totally unknown.