Leopard sharks that can’t smell find it harder to find their way home, a study in California finds.

OCEANS
For now, it appears that we’ve finally dumped something into the oceans that doesn’t seem to be hurting them.
Authorities are trying out high-tech methods for preventing shark attacks on New South Wales' coast.
Owners of the SS United States are struggling to preserve the ship and transform it into a floating museum.
No, that's not water spouting out of a whale's blowhole.
They're oddly adorable, and surprisingly gentle. (Just don't mess with them.)
Litter ruins the psychological benefits people otherwise get from looking at natural landscapes, psychologists find.
Social behavior is very weird for an octopus.
The truth about why humpbacks might be better songwriters than you.