Known as one of the most complex nebulae in the universe, NGC 6543 , also known as the Cat’s Eye Nebula, is slightly more than 3,000 light-years away from Earth.Astronomers are a bit closer to ...

How this photo turned a reclusive mountain lion into a Hollywood icon “There’s no cat like him,” says Nat Geo photographer Steve Winter, whose image of P-22 helped make the cougar a celebrity.