These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...

The rare, pale grotto sculpin fish has become a rallying point for local support and conservation efforts in Perry County.

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

Long before whales dominated the oceans, Earth’s seas were home to a fish so massive it continues to challenge our ...

Efforts to save the Topeka shiner have restored hundreds of oxbow lakes across Iowa. Now, those wetlands are helping to ...

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

Migratory land animals encounter manmade barriers such as roads. A study reports negative impacts of an industrial road on ...

In a new Science Advances study, researchers from the Okinawa Institute of Science and Technology (OIST) have now proved that from this biological havoc, known as the Late Ordovician Mass Extinction ...

Floridians were enraged last summer when a viral video showed men offshore Panama City capturing a giant manta ray, a ...

A tiny fish long feared lost has resurfaced in Bolivia, offering a rare conservation success story amid widespread habitat destruction. Moema claudiae, a seasonal killifish unseen for more than 20 ...

How the TVA and TWRA are partnering to bring a prehistoric fish back to Tennessee after it was "wiped out" locally.

The strict regulations of the Endangered Species Act inhibit development and “energy domination,” the Trump administration claims.