What happened to the dinosaurs? For more than 100 million years, they ruled the world. Then, suddenly—poof—about 65 million years ago, they were gone. At least that's the way it looks to most scientists, who blame an asteroid hitting Earth for the ancient beasts' dramatic demise. Some researchers are still skeptical about the asteroid hypothesis, but a new fossil discovery in Montana may lend it new impact.
President Barack Obama spoke with the astronauts flying NASA's final shuttle mission Friday and revealed a secret payload flying on shuttle Atlantis. The last shuttle crew is carrying an American flag that flew on the first shuttle mission in 1981.
British researchers have come up with a preliminary index to predict which pregnancies will end in miscarriage, with 94 percent accuracy rate. It requires no equipment and can help doctors inexpensively focus resources on high-risk pregnancies.
Climate change is speeding up the rate at which animals and plants are becoming extinct. By the end of the century, one in 10 species could be on the verge of extinction because of the effects of global warming, a study has found.
A new University of Maryland-led study finds that 'sex' between the virus responsible for the 2009 flu pandemic (H1N1) and a common type of avian flu virus (H9N2) can produce offspring -- new combined flu viruses -- with the potential for creating...
Technology developed by MIT researchers allows an inexpensive and simple solar cell to be printed using an inkjet printer. The solar cell is formed from special “inks” deposited on the paper and can even be folded and unfolded.