The world's largest invertebrate remained hidden from humanity until a tantalising glimpse 100 years ago. But it would be ...

Squid use a jet propulsion system to power themselves through the water and have three hearts that pump blue blood. Giant and colossal squid have the largest eyes in the animal kingdom.

Colossal squid sometimes inhabit the world of fiction and imagination, but have rarely been seen in daylight. It was a calm morning in Antarctica's remote Ross Sea, during the season when the sun ...

The world's largest invertebrate remained hidden from humanity until a tantalising glimpse 100 years ago. It would take decades, however, before we finally came face to face with the colossal squid.