Central Asia's rugged terrain was shaped by the ancient Tethys Ocean, not climate change or mantle flows, according to new ...

When colossal asteroids rock Earth, it's not all doom and gloom. The menacing asteroid that wiped out non-avian dinosaurs left a colossal marine crater in what's now the Yucatan Peninsula. But after ...

Sixty-six million years ago, an asteroid strike and volcanic eruptions triggered a global climate catastrophe. Earth plunged ...