The loss of one iconic species, sunflower sea stars, unleashed a voracious eater of seagrass habitats and upended the coastal ...

Whale ancestors were terrestrial mammals that walked on four legs. This bone structure that helped them walk eventually ...

The sea ice changed completely over the course of a few hours, from disconnected floes to a vast, snow-covered plain.

Killing the protected animals may be the only way to stop them from eating too many of the Pacific Northwest’s endangered ...

After 10 days with only the open ocean and the occasional iceberg at our sides, sailing into the sea ice felt like crossing ...

Scientists discovered that river otter droppings contain large numbers of parasites that infect the animals’ prey, indicating that otters may play a significant role in shaping local food webs.

The Krishna River is known as the Diamond River of India. Learn about its 1,400 km journey through four states and its ...

A picture of what West Antarctica looked like when its ice sheet melted in the past can offer insight into the continent’s ...

Study suggests adapting to life on land wasn't the biggest challenge facing fish coming ashore millions of years ago.

Known for their elusive nature and mythic proportions, tarpon never fail to entice anglers looking for a challenge. They're ...