It's not a hoax, researchers say. Five adult siblings in Turkey can walk only on all fours and may shed light on our apelike ancestors, scientists report.
Many animals avoid being eaten by looking like their poisonous neighbors. But an Amazonian poison frog is teaching biologists a new lesson about this evolutionary trick.
Wooden fragments found near the Red Sea belong to 4,000-year-old Egyptian boats that were hand-carried 90 miles (145 kilometers) across the desert from the Nile River.
Are DNA blueprints for the masses possible? By 2014 scientists hope to decode your personal genome at a fraction of the current cost and in much less time.
