Animals

 It's been about 80 years since the last sighting of the Xerces blue butterfly flitting about on pastel wings across coastal California ...

According to a new study, many marsupials, such as the squirrel glider (Petaurus norfolcensis) shown here, can live in a variety of social g...

The length and diameter of a honeybee's tongue hairs determine how efficiently it can collect nectar from various flowers, a discovery t...

Anurans' (frogs' and toads') eyes are important for understanding how vertebrates developed their vision. Photographer: Dan Kole...

 According to new research, the water flow where adult fish life can affect the body shape and survival of their offspring. Heteractis Magni...

One group of jewel-encrusted frogs is making a comeback in Central and South America. It was believed that the iconic Jambato harlequin frog...

Credit: CC0 Public Domain A small study suggests that when two pigs are fighting, an intervening pig can either reduce the number of attacks...

Human body changes on the verge of adulthood can be awkward, but at least our eyes don't protrude from our heads on stalks longer than o...

It's not just a matter of panic and chance. Springtails, one of nature's most extreme self-launchers, turn out to be much more acrob...

A curious Devils Hole pupfish raised in captivity at Nevada's Ash Meadows Fish Conservation Facility. The facility keeps a pupfish refug...

A new study finds that the microbial ecosystem in the guts of wild marten (Martes americana) that live in relatively pristine natural habita...

  Banded Killifish, eastern (top) and western (bottom). In its native range, the Eastern subspecies may be edging out the Western fish. Acco...

Year-round daylight saving time could save the lives of tens of thousands of deer and dozens of people. People pay a high price for the end ...