in rocks that formed under shallow water at the time of the extinction. Pollution sometimes turns waters anoxic today in regions that lack good circulation. Local die-offs of marine life can result.

Nearby stellar explosions may have influenced two major mass extinctions on Earth. A recent study explores this link between supernovae and species disappearances. Researchers from Keele ...

This graph plots extinction rates of marine animal families over the last ... Some populations seem more vulnerable than others: tropical forms of life have been drastically affected, while ...

For years, scientists have struggled to explain why marine life around the planet became so similar following this extinction event. In the absence of predators and competitors, some researchers ...

a rich variety of marine life flourished in the vast seas and the first primitive plants began to appear on land—before the second largest mass extinction of all time ended the period.

Scientists have discovered that a hydrothermal system created by the asteroid impact may have helped marine life flourish at ... for its link to causing mass extinction. Gulick said that this ...

This extinction cleared the way for dinosaurs ... Yet some animals survived: mammals, turtles, crocodiles, frogs, birds—and marine life like sharks, sea stars, and urchins.

About 66 million years ago, a giant asteroid slammed into Earth and wiped out the dinosaurs, along with around 70% of all life in the oceans. The impact left behind a massive crater under what is now ...

Researchers from Aberystwyth University have carried out the first ever environmental DNA (eDNA) assessment of marine ...