New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.

Robots can serve pizza, crawl over alien planets, swim like octopuses and jellyfish, cosplay as humans, and even perform surgery. But can they walk on water? Rhagobot isn’t exactly the first thing ...

For billions of years, nature has been the world’s master engineer. Natural evolution has created impressive, sometimes implausible creatures. Take, for instance, the water strider. This group of ...

Charles Oldrieve dreamed of one day walking across the English Channel—and perhaps even the Atlantic Ocean. Illustration by Meilan Solly / Images via Newspapers.com For the past 35 years, dozens of ...