Inside the strange physics of why time stops at the speed of light
A clock aboard a fast-moving spacecraft does not break, lag or malfunction. It ticks normally for everyone inside.…
Scientists Finally Solved the Mystery of Earth’s ‘Great Dying.’ It’s Bad News for Our Future
Roughly 252 million years ago, nearly all life on Earth vanished. In a blink of geologic time, the…
Ancient Oceans Began Losing Oxygen Millions of Years before End-Triassic Mass Extinction
Chemical traces preserved in ancient rocks indicate that marine environments were deteriorating long before the catastrophe that wiped…
The Two Million Years Rain Crisis That Helped the Dinosaurs Take Over
Artistic representation of a Middle-Late Triassic landscape of southern Brazil. A large Prestosuchus chiniquensis feeds on the carcass of a…
The Cockroach of Dinosaurs Likely Survived Extinction Because of Its Big Wet Eggs
Fantastic numbers of leathery, beaked Lystrosaurus—a distant ancestor to today’s mammals, often the size of a small dog—roamed…
Scientists Say This Animal Could Rule the World After Humans Go Extinct
Mass extinction is not just a theory; Earth has already gone through five of them, including the event…