Perhaps it was hiding from predators. Or trying to catch food. Then again, maybe it just wanted to be left alone.

The colossal squid is the world's largest invertebrate, but the one in this video is a baby. The footage was captured by an underwater expedition near Antarctica. The colossal squid, a mysterious ...

A new study reveals an unknown species of whiplash squid burying itself upside down in the deep sea — a first-of-its-kind ...

One hundred years after its discovery, one of the largest, most elusive mollusks has been filmed alive in its natural environment for the first time. On a recent expedition near the Antarctic South ...

In the frigid waters near Antarctica, the elusive squid Gonatus antarcticus was recently spotted by a remotely operated vehicle. It's the first time this squid has been seen alive. Video by ROV ...

Quick Take Sperm whales are the largest toothed whales and deep-diving predators, with a spermaceti organ used for sound ...

A colossal squid was filmed in its natural environment by scientists for the first time since its identification and naming 100 years ago, according to the Schmidt Ocean Institute. "This is a ...

There are plenty more squid in the sea for Hawaiian short-finned pilot whales. How much squid do short-finned pilot whales (Globicephala macrorhynchus) living off Hawai‘i need each day, and is the ...