The Brighterside of News on MSN

Coral reefs have helped control Earth’s climate for 250 million years

For more than a quarter billion years, coral reefs did far more than brighten shallow seas. Long before humans appeared, ...
Astronomy on MSN

Why did Earth's greenhouse age end?

Sixty-six million years ago, Earth was a tropical greenhouse. Today, it's an ice-capped world. And an international team of experts led by the University of Southampton think they know why. Their new ...