Medieval stained-glass windows colored in gold nanoparticles help purify air when lit by the sun, a new study finds.

Fay dumps heavy rains on Florida.

Genetic switch in male fruit flies shows how some animals get gender-specific showy traits.

Goliath fish once thought of as one species are actually two.

A 61-year-old Japanese woman gave birth to her own grandchild, using an egg donated by her daughter.

Reading about a disgusting scene can be as gross as watching one.

Dr. Janice Bishop works with many of today’s robotic Mars explorers.

Life-searching instruments are tested in Rio Tinto for an mission to Mars.

The glacier mummy called Iceman was likely a herdsman.

The planets in our solar system contain a diverse array of ingredients. But there are a lot of common elements that go into them.

Known biomarker easier to identify, so permanent joint damage may be avoided, study says

Researchers hope to develop noninvasive test to detect malignancies

Black holes appear to come only in small or large sizes.

The "Miracle" baby in Israel may have benefited from suspended animation induced by refrigerator.

Magnetic forces hold together 100-million-year-old gas threads in a galaxy.

Ice clouds in Mars' atmosphere destroy ozone, important to atmosphere's chemistry.

Here's the new taste sensation — your tongue might be able to taste calcium.

Tiny futuristic batteries will be half the size of a human cell and built with viruses.

Former President Bill Clinton says U.S. should lead way in creating energy solutions.

Stockholders increasingly supporting resolutions for companies to act on climate change.