Adaptation is essential for survival. Across species, it occurs over many generations through evolution and natural selection ...

Since touching down in Las Vegas early last week, I've written thousands of words and captured countless moments on video.

Humans and Neanderthals cozied up from time to time when they lived in the same areas tens of thousands of years ago. But we don't know ...

When it feels threatened, the cat-sized black and white creature will keel over and fall to the ground, catatonic. With globs of saliva dripping from an open mouth, lifeless eyes stare into the abyss.