Ancient water = ancient habitat?

Ancient water = ancient habitat?

Geologic dating shows that water has been trapped more than 2 kilometers underground since before the Cambrian explosion. This water More »

Super-volcanoes!

Super-volcanoes!

Take a modern volcano, and multiply it by 1,000. That’s a super-volcano. Their rare eruptions change landscapes and weather. How long More »

Killer Asteroids: Ultimate Impact

New searches are finding lots of asteroids. None of them are aimed at us — yet. How much damage have asteroids done in the past? More »

Polar Science

What’s new in polar science? What do seals do under the ice? How did humans cross the Bering Strait to reach North America? What does More »

Amber: The Natural Preservative

How amber is used in archeology and paleontology: Reviving ancient bacteria, viewing ancient insects, what’s not to love about amber? More »