Scientists are increasingly worried we may be witnessing the start of the “sixth mass extinction” – the first to be caused by ...

A comprehensive study of more than 1,100 springs in the American West warns that critical biodiversity hot spots are facing a ...

With bright feathers that look painted on, colorful birds are typically pretty and charismatic poster species for ...

Earth's worst mass extinctions occurred when environmental change outpaced evolution, revealing a pattern spanning 450 ...

A study of fossil teeth from China shows early mammals got bigger before their diets became specialized after the ...

A collection of fossil teeth from southern China is shedding new light on one of the biggest turning points in Earth’s ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

A recent study has found a dangerous combination of fungus, parasites and other pathogens is posing a threat to the snake population in the Southeast.

The fins of the guitarfish are sold for hundreds of dollars in Asian markets to make soup, a trade pushing them toward ...

When you think of rats, you think of relatively small rodents. These dimensions did not apply to the white-footed rabbit rat ...