How Did the Red Baron Die?
New Fossils Might Capture the Moment of Mass Extinction That Wiped Out the Dinosaurs
Fossils uncovered in North Dakota appear to preserve the catastrophic fallout of the asteroid impact that wiped out the dinosaurs–but experts remain cautious.
Ice Age cave paintings decoded by amateur researcher
Patterns of lines and dots associated with specific animal species in cave art may point to an early writing system.