By fragmenting forests and killing off individuals, humans are stopping the flow of ideas among our closest relatives.

Hunkering down for the winter helps bats cheat death. But doing so comes at a steep cost.

A new, deadly canine disease could have the U.S. scrambling to respond.

They can tear themselves in half and regrow complete bodies. They can retain memories despite decapitation. And if you chop them into little pieces, each piece will start acting like a perfectly intact worm.

A new study suggests that the transformation takes place via crystals (crystals!) arranged within the reptiles' skin.