The jellyfish, like the sea anemone, although lacking a brain, experience deep rest phases that meet all the criteria of ...

Read how ancient Greenland sharks' bodies preserve their eyesight for hundreds of years and what this means for older humans.

A massive ice age wiped out ocean life 445 million years ago, reshaping ecosystems and setting the stage for jawed fish ...

Along a remote stretch of the Alaskan coast, gray wolves have quietly rewritten the rules of what a top land predator eats.

A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems.

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...

During a geological blink of an eye, glaciers formed over the supercontinent Gondwana, drying out many of the vast, shallow ...

Thousands of starfish have been washed up on an Edinburgh beach. Wild swimmers were at Wardie Bay in Granton when they came ...