A large fossil study shows young shark and ray species vanish faster, while older species stay stable over time.

A funding crisis at the Museum of the Earth and the Paleontological Research Institution in Ithaca, N.Y., could scatter ...

A recent climate study from the University of Wollongong suggests that Homo floresiensis, the small early human species from ...

The sex of many turtles, crocodilians, and other reptiles is determined by the temperature at which their eggs incubate.

Like corn kernels in slowly heating oil, the orca sightings began sparse and unpredictable. But at some imperceptible moment, ...

The Canary Islands may represent the “missing link” in a global pandemic killing sea urchins. Sea urchins help build and maintain marine habitats in much the same way that large plant-eating animals ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater ...

Glaciers could reach peak rates of disappearing in the coming decades due to global warming, according to new research.

Glaciers worldwide are racing toward extinction, with warming dictating whether thousands survive—or vanish forever.