North Dakota fossil site reveals when asteroid killed dinosaurs

Spring is a time for budding flowers, tender green leaves and baby animals. But 66 million years ago, that gentle season ...
New Scientist on MSN

We may finally know why dinosaurs like T. rex evolved tiny arms

Five different groups of predatory dinosaurs independently evolved disproportionately small arms, and it seems they did so ...
sciencex

The asteroid that wiped out the dinosaurs may have triggered a global fungal bloom

The asteroid that smacked into our planet about 66 million years ago at the Cretaceous-Paleogene (K/Pg) boundary may have been bad news for dinosaurs, but it was good news for fungi. According to new ...
Science Daily

Ancient asteroid craters may have sparked Earth’s oxygen-producing life

A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ...
The Why Files on MSN

A 7-mile-wide asteroid struck Mexico - then the planet turned into hell, "Nothing survived"

Millions of years ago, a colossal asteroid slammed into Earth near modern-day Mexico, triggering one of the deadliest events ...
jezebel

A City-Killing Asteroid Will Narrowly Miss the Earth Today. We Discovered It Only a Week Ago.

Here’s the good news: If a near-Earth object (NEO) big enough to wipe out humanity entirely is ever on a collision course with our planet, we’re likely to find out about it a good while before it ...