Sometimes, creatures are so strange-looking that they compel us to do a double-take. This Instagram video shows active, trilobite-like creatures grabbing earthworms in the water, riding them, and ...

A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems. In the aftermath, jawed vertebrates gained an unexpected edge by surviving ...

One of Earth’s earliest mass extinctions wiped out most ocean life during a sudden global ice age. From the ruins, jawed vertebrates survived, diversified, and transformed the course of evolution.

Harman develops his theme through diverting chapters on historiography (featuring an excursus on why Mongolian warlords gave ...

About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, ...

An event that seemed to condemn marine life 445 million years ago actually played a decisive role in the rise of the animals ...

Learn how one-celled organisms, or single-celled organisms, helped build complex life.

A treasure trove of Cambrian fossils has been discovered in southern China, providing a window on marine life shortly after ...

Cuttlefish attract prospective sexual partners by creating a pattern on their skin, based on the orientation of light waves.

One of the planet’s most successful arthropods, trilobites, abounded in the oceans from about 520 million to 250 million years ago. Trilobite exoskeletons are found on all seven continents and are a ...

Scientists prepared a high-quality sequence of the giant mammal’s genome based on a specimen preserved in Siberian permafrost.

A research trip to Antarctica uncovered marine life that hadn't been seen before in one of the world's most remote spots.