A group of researchers claim they've identified the most distant explosion ever detected, an ultrapowerful blast more than 13 billion light years away from Earth.
The shuttle Endeavour astronauts scanned their ship on Thursday for damage from micrometeoroid impacts in advance of departing the International Space Station on Sunday for a return to Earth.
A pregnant woman has died of pneumonia related to an unidentified virus, nearly 15 days after the same cause brought about the first fatality in South Korea, local media reported Thursday.
Space shuttle Endeavour commander Mark Kelly says he talks to his wife wounded congresswoman Gabrielle Giffords almost daily by phone.
China may have unwittingly introduced swine flu viruses when it imported pigs from Europeand North America for breeding over the past few decades, researchers said.
NASA is ending attempts to regain contact with the long-lived Mars exploration rover Spirit, NASA's Jet Propulsion Laboratory (JPL) announced Tuesday.
An extract from a mushroom can stop the growth of prostate cancer, Australian researchers said on Wednesday.
Health ministers from around the world agreed Tuesday to put off setting a deadline to destroy the last known stockpiles of the smallpox virus for three more years, rejecting a U.S. plan that had called for a five-year delay.
More and more Indian families with one girl are aborting subsequent pregnancies when prenatal tests show another female is on the way, according to a new study.
A pair of astronauts are spacewalking again outside the International Space Station.
France wants better regulation of the Internet. Google's executive chairman says policymakers should tread lightly and avoid "stupid" rules.
Every year, just more than four out of every thousand Swedish women are diagnosed with carpal tunnel syndrome, far fewer than those in the United States, according to a Swedish study.