NASA astronaut Janice Voss, who first worked for the space agency as a teenager and flew five shuttle missions in seven years, has died. She was 55.
Roger Boisjoly, a NASA contractor who repeatedly voiced concerns about the space shuttle Challenger before it exploded, has died. He was 73.
The man who warned his employer of the equipment quirk that led to the deadly explosion of the space shuttle Challenger has died. Roger Boisjoly was 73.
Smokers not only have more problems with their teeth than non-smokers, they also go to the dentist less often.
Vienna's mayor on Tuesday promised compensation for anyone injected with the parasite that causes malaria after two former foster home children claimed to have been given such shots in the 1960s.
Bread and rolls are the No. 1 source of salt in the American diet, accounting for more than twice as much sodium as salty junk food like potato chips.
Students at Shippensburg University in Pennsylvania can get the "morning-after" pill by sliding $25 into a vending machine, an idea that has drawn the attention of federal regulators and raised questions about how accessible emergency contraception should be.
Venezuelan health authorities are investigating the deaths of 11 newborns within four days at a single public hospital.
President Barack Obama called on Tuesday for millions of dollars in new funding to improve math and science education, an effort he said would be crucial to the nation's long-term success.
The Obama administration is increasing spending on Alzheimer's research - planning to surpass half a billion dollars next year - as part of a quest to find effective treatments for the brain-destroying disease by 2025.
Good news for budget-minded travelers: There's no proof that flying economy-class increases your chances of dangerous blood clots, according to new guidelines from medical specialists.
Junk food remains plentiful at the nation's elementary schools despite widespread efforts to curb childhood obesity, a new study suggests.
Detecting early warning signs of dementia can be difficult, but there are several types of cognitive screenings - quick, simple tests of memory and thinking skills - that can help a doctor decide if it's time to recommend a more in-depth exam.
Alexis McKenzie's mother had mild dementia, but things sounded OK when she phoned home: Dad was with her, finishing his wife's sentences as they talked about puttering through the day and a drive to the store.
Chile declared a public health alert Monday over a hantavirus outbreak that has killed three people and infected at least 10 others.