Studying ancient sea creatures’ snoozing habits could shed light on the origins of sleep.

The benefits of sleep may be more universal than we thought. We know it helps clear waste from the brain in humans, and now ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

From a butterfly shaped by 40,000 years of isolation to creatures 1,400 feet below the sea, scientists uncovered thousands of ...

Stream Piranha on Prime Video and Piranha 3D on Hulu.

Jeffrey R Holland, next in line to lead Church of Jesus Christ of Latter-day Saints, dies at 85 Extraordinary mass graves from centuries-old battles emerge along highway route My Dad Was Gay — But ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

Scientists on California’s Central Coast recently spotted a giant, evasive seven-arm octopus while on a research expedition in Monterey Bay. The rare creature, called Haliphron atlanticus, was seen by ...

Imagine walking through a forest or swimming in the ocean, and suddenly, you come across a creature with a power so shocking, it can freeze its prey in an instant. Nature is full of wild surprises, ...

It used to be thought that sea urchins only had a primitive nervous system, but new research has found that they are far more complex than that. The entire body of a sea urchin is what researchers are ...

Sea urchins have a body that is entirely made up of "head"—with a surprisingly complex central nervous system that functions, in essence, like an "all-body brain." This is the conclusion of an ...

Antarctica’s bays look calm from the surface. Down below, that calm hides scars. When large vessels stop in shallow Antarctic waters, many of them still drop heavy anchors attached to long chains.