Chlamydia in koalas can cause blindness, infertility and even death.

NPR's Scott Simon speaks to Prof. Anne Pringle, a mycologist at the University of Wisconsin, Madison, about the latest research on death cap mushrooms, revealing new information about the enigmatic fungus.

Research published this month found that even in pristine, untouched areas, insect populations are still on the decline. Climate change is a likely culprit.

Some 154 million people in the United States get health care through their employer — and for many, their costs are about to go way up.

A Czech playwright introduced the word to English in the 1920s. But back then, it wasn't analogous to machinery. New interpretations of the robot reflect a modernity once skewered by the writer.

In New York City, officials are still working to identify the remains of people killed. Last month, three more victims were identified.

Researchers have spent 10 years improving the massive detectors they use to catch shockwaves from colliding black holes, and now the science is precise enough to test one of Stephen Hawking's key ideas.

1,100 people killed on 9/11 in New York City have not had any of their remains identified by authorities. The medical examiner's office is using new technology to identify more people.

These hairy spiders spend almost all of their lives underground. But when it's time to mate, they must brave the great outdoors before they perish.

Ancient organisms may have left microscopic "biosignatures" on Mars. That's according to NASA scientists, who say a rock sample offers the most concrete proof yet that the red planet once hosted life.