Being top baboon can be very stressful

Think it's easy at the top? Turns out chasing females, putting down underlings and generally maintaining one's social status can be very...

FDA cites risks of implant used to strengthen vaginal tissue

After an increase in reported complications, the Food and Drug Administration on Wednesday released an advisory saying a surgical mesh...

Pills found to be highly effective in preventing HIV transmission

Taking a daily pill containing either one or two anti-HIV drugs can reduce transmission of the virus by as much as three-quarters among...

NRC issues nuclear safety recommendations

The staff of the Nuclear Regulatory Commission issued a dozen recommendations Wednesday to improve the safety of U.S. reactors, responding...

Path appears clear for oil pipeline from Canada

At a town hall meeting in Pennsylvania in early April, President Obama was asked about a bitter fight between industry and...

South, East baking in humid heat

Nearly half the country's population sweltered under essentially triple-digit temperatures, as brutal heat and humidity afflicted a vast...

Access to grocers doesn't improve diets, study finds

Better access to supermarkets — long touted as a way to curb obesity in low-income neighborhoods — doesn't improve people's...

Copper mining will crush ancient Afghan site

The ruins poke out of a monotonous stretch of scrub and beckon the world to visit Afghanistan as it was more than 1,400 years ago, when...

Shuttle docks at space station for last time

Space shuttle Atlantis docked at the International Space Station for the last time Sunday, hours before Mission Control warned that...

Genetically modified food labels don't sit well in U.S.

Activists rejoiced last week when a hard-fought battle over international standards for labeling genetically modified food came to an end &#...

Avalon's dirty little secret: its beach is health hazard

By the hundreds of thousands each year, they sail to Avalon by ferry and cruise ship for diving trips, glass-bottom boat tours and to...

On a pilgrimage to the Ancient Bristlecone Pine Forest

The White Mountains that straddle the California-Nevada border are known for their extreme environment. They get less than a foot of rain...

Texas aglow with effort to save the incandescent bulb

It doesn't have the ring of "Remember the Alamo," but a new battle cry has gone up in Texas: "Remember the incandescent bulb."

Lionfish invading East Coast waters

Beware the lionfish.

Atlantis ends an era with liftoff

Space shuttle Atlantis rumbled like a freight train into orbit Friday in its historic last flight, lighting up a slate gray Florida sky that...