The giant defrosted this week has the world's biggest eyes, as well as light-emitting organs that may help render the squid invisible to predators, scientists say.

A colossal squid caught last year—thought to be the largest ever recorded—is giving scientists their first close look at the rare and elusive giant.

After weeks of combing remote rivers for giant freshwater stingrays, biologist Zeb Hogan finally found one—near a busy city. Then the ray gave birth.

Fourteen-foot-long rays—perhaps the largest freshwater fish—are thriving not far from Bangkok. But overfishing may still threaten the giants.

Frozen more than a year after it was caught, the largest squid on record is about to undergo a study before going on public display.

Authorities are receiving several reports of pigeons found alive with metal darts through their skulls. An animal rights group is offering a reward for information about the assailant.

The biggest squid ever caught has begun defrosting in a huge tank. Already it's yielding clues to the species' behavior and giant size, scientists say.

An aging penguin losing his feathers has shown improvement after being outfitted with a specially designed wet suit at a California science center.

See a noxious volcano blazing, a steaming sacrifice, uncanny underwater robots, Europe's biggest waterfall turned blue, and more.

Pierre the African penguin's condition has greatly improved since scientists commissioned protective gear after he began losing his insulating, waterproof feathers.

A newly released atlas of Hubble images could be an interstellar Rorschach test, with galaxy collisions resembling everything from sea life to dental tools.

The first dogs specially trained to detect the polycarbonate used in DVDs and CDs have helped detect nearly 2 million illegal discs, authorities say.

At least one species of octopus has complex sex habits that include using mimicry and guile, a new study has found.

Chinas strategy to produce sunny Olympic ceremonies may be a washout, experts say. But many believe the future of weather modification is looking brighter.

A tiny camera can transmit images to the brain through the optic nerve, offering hope for restored vision to those blinded by disease.