As Nolan embarks on "The Odyssey", we look back on the sci-fi movie where time dilation is as cruel as any Greek god.

American bald eagles made an incredible recovery. Now almost half suffer from lead poisoning due to ammunition fragments left ...

Every mass extinction in Earth’s history had something in common: the environment changed faster than life could adapt. That idea has been around in various forms for decades, but it had never been ...

Lava flows down a hill under an evening sky. The Permian-Triassic mass extinction was caused by volcanic eruptions in what is now the Siberian Traps, releasing 100,000 billion metric tons of carbon ...