Private rocket maker SpaceX aimed for a Tuesday liftoff after fixing the engine problem that caused a launch abort over the weekend, stalling the world's first commercial space station supply flight.
A simple, cheaper exam of just the lower part of the bowel can cut the risk of developing colon cancer or dying of the disease, a large federal study finds.
The Food and Drug Administration said Monday that a blood thinner from Johnson & Johnson appears to reduce life-threatening blood clots in high-risk patients, although it also increases the risk of internal bleeding.
A dinosaur dispute is brewing between the Mongolian government and an American auction house, which sold a fossil of a fearsome T. Rex relative despite a court order not to.
Half the nation's overweight teens have unhealthy blood pressure, cholesterol or blood sugar levels that put them at risk for future heart attacks and other cardiac problems, new federal research says.
Millions of early risers in Asia turned their attention skyward to view a rare "ring of fire" eclipse as it crossed their skies Monday morning.
New lung cancer screening guidelines from three medical groups recommend annual scans but only for an older group of current or former heavy smokers.
From a park near Albuquerque, to the top of Japan's Mount Fuji, to the California coast the effect was dramatic: The moon nearly blotting out the sun creating a blazing "ring of fire" eclipse.
A new private supply ship for the International Space Station remained stuck on the ground Saturday after rocket engine trouble led to a last-second abort of the historic flight.
A prominent retired psychiatrist is apologizing to the gay community for a decade-old study that concluded some gay people can go straight through what's called reparative therapy.