Polar bear mothers are known to adopt and raise cubs from non-related litters. Why do they make a multi-year commitment to do it?

Bats have a unique genetic ability to tolerate many viral infections. Can humans uncover their secrets?

European great tits kill migratory pied flycatchers over nesting sites. The warming weather is to blame.

Urban apiculture is a booming trend. But many metropolitan beekeepers also believe that bees fare better in cities than they do in the countryside.

Is it possible to witness evolution in action? Researchers at University of California, San Diego, aiming to do just ...

Insect diversity inside the house strongly correlates with neighborhood income. The higher up the income ladder you climb, the greater the diversity of bugs.

After 17 years quietly developing under the soil, 3 species of periodical cicadas emerged this summer. How do these insects coordinate?

In a 120-million-year-old rock in Northeast China, paleontologists made a remarkable find.