Rae Ellen Bichell

Shirin Gerami wanted to represent her homeland, Iran, as a triathlete. But to do so, authorities said she'd have to cover up.

Months after a man died in a botched clinical trial in France, the company that ran it has opened a big research facility in New Jersey, where as many as 50 clinical trials could be done each year.

It has been a common belief that low-emissions vehicles, like hybrids and electric cars, are more expensive than other choices. But researchers at MIT have found otherwise.

When men put on a gut and grow love handles it's not such a bad thing, according to a Yale anthropologist. That pudge might help them reproduce and pass on longevity genes to their offspring.

The way animals are transported and slaughtered for the major Muslim holiday has health officials concerned about the threat of Crimean-Congo hemorrhagic fever.

The mission aims to circle a hill-sized asteroid for two years, then skim its surface and bring a hearty sample of 4.5 billion-year-old dirt back to Earth.

For decades, a rare disease crawled across Papua New Guinea. When scientists realized what was behind kuru, it caught everyone by surprise. But similar diseases can still be transmitted through food.

In 1960, all of Chile shook violently for more than 10 minutes. That quake along the western coast of South America was so big, it changed the way people see the world.

What happens when you let loose with a juicy one? A lab of MIT mathematicians and physicists is taking a close look, with the goal of improving public health.

Two American astronauts installed a new docking port that will allow astronauts traveling with private companies to enter the International Space Station.

Cyclist Kristin Armstrong, who won Olympic gold at age 42, is one of many athletes saying that high-level sports aren't just for the young. And scientists say exercise reduces aging's toll for us all.

The government keeps track of who is alive and who is dead. But there can be errors. And when you're mistakenly ruled dead, it can be remarkably tough to convince people you're still among the living.

Women encounter a dilemma when they get pregnant: Should they continue taking medications that keep them healthy? That question can be scary, because drugs are rarely tested for safety in pregnancy.

Moon Express Inc. has been given a green light to send a robot off the planet, aiming for the moon. It's a milestone in the effort to privatize space exploration.

Since 1979, the federal government has urged daily flossing. But the recommendation was removed recently from U.S. dietary guidelines after health advisers found the evidence of benefits to be weak.

Officials say they've found the first indication that mosquitoes are transmitting Zika virus in the U.S. Four people in South Florida are infected; travel or sexual transmission has been ruled out.

Health officials put blood donations in South Florida on pause until it's known whether four cases of Zika virus were caused by mosquitoes in the U.S., or until blood donations can be screened.

Dolly, the first cloned mammal, had early arthritis and died young, raising concerns that clones age prematurely. But a study confirms the sheep's four sister clones are healthy and aging well.

One in 10 U.S. adults has tinnitus. Cognitive behavioral therapy is one of the few interventions that have been shown to help, but it's rarely prescribed by doctors, a study finds.

An NPR poll found that most working adults say they go to work when they're sick. For people who work in hospitals or restaurants that can be a problem, since it's easy to spread disease.