Nancy Shute discusses how scientists are beginning to study animals’ emotions and personalities — from joy to individual ...

Climate change has a wide range of effects on wildlife. It affects seasonal migration, reproduction times, body size and mass ...

Scientists have long focused on quantifying fear and other negative emotions in animals. Now they’re trying to measure ...

The 550-million-year-old fossil Tribrachidium heraldicum is one of the most enigmatic critters from the Ediacaran. With its circular, three-lobe form, it doesn't resemble any modern organism. The ...

Sealed surfaces, artificial light and constant noise: What is part of everyday life for humans poses major challenges for ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The story of two of ...

A recent study finds that color vision evolved in animals more than 100 million years before the emergence of colorful fruits and flowers. And there has been a dramatic explosion of color signals in ...

RALEIGH, N.C. (WTVD) -- During the total solar eclipse on April 8, several NC State University professors and dozens of students will travel to Texas to conduct rare research on how animals respond to ...

In the largest study of its kind, scientists have accurately documented the massive change in animal morphology over the last 1,000 years, with domesticated animals growing larger across the board and ...

Nearly a quarter of animals living in rivers, lakes, and other freshwater habitats face extinction, according to a new study published Wednesday in Nature. Researchers found that 24 percent of ...

To this day, animal testing remains one of the most controversial issues in animal rights. Activists have been fighting ...

An artist’s impression depicts Kryoryctes at Dinosaur Cove in Australia. New research supports the hypothesis that Kryoryctes is a common ancestor of both the platypus and echidna. - Peter Schouten ...