Her name, they told us, was Peggy. She had been taken into the compound three months before without a hair on her body. Her ...

"Avatar 3" director James Cameron unpacks "Fire and Ash" spoilers and why it's unlikely you'll see a fourth and fifth movie ...

A new NASA study of data from its old Cassini mission to Saturn suggests that giant moon Titan may not have a global ocean — but that life could still exist in pockets.