Too late to save the ivory-billed woodpecker, Arthur Allen changed science forever with his seemingly simple idea ...

Octopuses are masters of camouflage and disguise. An alarmed octopus can vanish even while you watch, flawlessly transforming ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There's just something so ...

It’s not easy being green–or blue, or purple, or orange–at least not if you’re an octopus. Cephalopods are well-known for ...