Nature is full of amazing creatures that evolved in fascinating ways. Sometimes, these evolutionary paths lead to physical features that seem downright baffling at first glance. From body parts that ...

Researchers who have studied genetic evidence of iguanas suggest the ancient reptiles traveled nearly 5,000 miles from North ...

New findings suggest the evolution and behavior of at least some baleen whales has been significantly shaped by fear of orca attack.

Through urine, feces, placentas, carcasses and sloughing skin, whales bring thousands of tons of nitrogen and other nutrients from high-latitude areas like Alaska and Antarctica to low-nutrient ...

Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish ...

Have you ever seen a group of narwhals gather, such as they are in the above video? These unusual aquatic mammals are marked ...

They have large antlers weighing up to 5 kilograms that can be 1.15 meters long. Antlers sometimes have as many as 20 tines ...

Rhythmic clicks, grunts and roars fill the Año Nuevo Island Reserve in California, home to a large breeding colony of ...

Genomic analysis suggests that the ancestors of lizards on Fiji today rafted from North America some 30 million years ago.

"This image that Wayne has captured serves as a subtle yet poignant reminder of the fragile balance between our oceans and ...

A genetic analysis reveals that Fiji’s iguanas are most closely related to lizards living in North America’s deserts. How is ...

The iguanas' 8,000-kilometer trip — one-fifth of the Earth’s circumference — is the longest made by a flightless land vertebrate.