If you read my playoff prediction piece from earlier in the week, you know how I think this opening round is going to unfold.

In southern Brazil and northern Argentina, scientists have discovered massive underground tunnels stretching for hundreds of ...

In Earth's fossil record, soft-bodied organisms like jellyfish rarely stand the test of time. What's more, it's hard for any ...

In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose ...