A video of an octopus changing colors while it sleeps is raising a lot of questions about the mysterious sea creatures. The footage aired in the new PBS documentary titled "Octopus: Making Contact." ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Most animals sleep, though we still don’t entirely know why ...

In a delightful encounter along a beach in Wales, marine enthusiasts were treated to a rare sighting of a curled octopus. The captivating footage, captured by Ciara Taylor, a project assistant for the ...

Octopuses are renowned for their instant color-changing abilities, a skill they use to outwit predators and surprise prey. Yet, the energy cost behind this extraordinary camouflage has remained a ...

Professor David Scheel managed to capture a breathtaking sequence on video. The video, which was shared as part of Nature on PBS, showcases how octopus dream. In it, we get to see a color-changing ...

It is one of the oldest mysteries in science. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Octopuses might be nature's ultimate weirdos: They ...

Why do octopuses change color? Octopuses, like this young female Giant Pacific Octopus at Birch Aquarium at Scripps, change color to evade predators. (Photo Courtesy of Birch Aquarium at Scripps, ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s not easy being green–or blue, or purple, or orange–at ...

Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. You might not realize this, but quickly changing colors, as ...