LONDON The heirs of Dolly the sheep are enjoying a healthy old age, proving cloned animals can live normal lives and offering reassurance to scientists hoping to use cloned cells in medicine. | Video
SUCRE, Bolivia A footprint measuring over a meter wide that was made by a meat-eating predator some 80 million years ago has been discovered in Bolivia, one of the largest of its kind ever found.
BRUSSELS A team of scientists at a Belgian university say they have created a machine that turns urine into drinkable water and fertilizer using solar energy, a technique which could be applied in rural areas and developing countries.
ABU DHABI A solar-powered aircraft successfully completed the first fuel-free flight around the world on Tuesday, returning to Abu Dhabi after an epic 16-month voyage that demonstrated the potential of renewable energy. | Video
WASHINGTON Neuroscientists acting as cartographers of the human mind have devised the most comprehensive map ever made of the cerebral cortex, the part of the brain responsible for higher cognitive functions such as abstract thought, language and memory.
SHANGHAI China has completed production of the world's largest amphibious aircraft after seven years of work, which it plans to use to perform marine rescue missions and fight forest fires, the Xinhua news agency reported.
NASA astronaut Jeff Williams shared a stunning aurora display on Sunday as he passed over the Earth. | Video
Right off the bat, Michael Burtov said he and his team at technology startup GeoOrbital did not re-invent the wheel. | Video
Scientists have shown for the first time how a species of tropical fish can distinguish between human faces. The archerfish used in experiments could demonstrate the ability to a high degree of accuracy; despite lacking the crucial neocortex part of the brain which other animals use for sophisticated visual recognition. | Video
WASHINGTON Fossils of a carnivorous dinosaur unearthed in Argentina are shedding new light on an intriguing group of predators that apparently were just as happy to slash victims to death with sickle-shaped hand claws as to chomp them into an early grave.
The U.S. Food and Drug Administration opened the door on Tuesday to a change in its blood donor deferral recommendations, which currently prohibit donations from gay men for a year following their last sexual encounter in order to reduce the risk of transmitting HIV, the virus that causes AIDS.