Biosphere 2 was declared a failure by detractors because oxygen had to be pumped into what was supposed to be a sealed, fully self-sustaining system...

Scientists say they've located the first well-documented genetic glitch that increases a man's risk of impotence...

Deer biologists across northern New England are dusting off their plans for dealing with an always fatal deer disease that was recently discovered in Quebec...

The #MeToo movement has sent dozens of once-powerful Hollywood players into exile, but few of them have been placed in handcuffs or jail cells...

An ancient and odd-looking Colorado River fish has been pulled back from the brink of extinction...

Another rare Colorado River fish has been pulled back from the brink of extinction, the second comeback this year for a species unique to the Southwestern U.S....

The U.S. Coast Guard has evacuated four workers from a remote wildlife refuge in the path of a powerful hurricane barreling through the Pacific...

Scientists from the United States, Canada and France win Nobel Prize in physics for work with lasers described as revolutionary and bringing science fiction into reality...

Two large studies are trying to prevent Alzheimer's disease by targeting the earliest brain changes while memory and thinking skills are still intact...

Researchers say humpback whale sightings are becoming less common in the Hawaiian Islands...