JUNEAU - Fast-melting Arctic sea ice has forced some 35,000 Pacific walruses to retreat to the Alaska shoreline, scientists from several federal agencies said on Wednesday.
TORONTO - - A passenger spaceship that lost a bid for additional NASA funding may have new life ferrying passengers for Paul Allen’s space startup, Stratolaunch Systems, company officials said on Wednesday.
WASHINGTON - The 3,000-mile (4,800-km) mass migration of monarch butterflies in North America is one of the insect world's fantastic feats, with millions embarking on the arduous journey from as far north as Canada down into Mexico and the California coast each autumn.
CHICAGO - Wearable brain scanners and lasers that can turn hundreds of cells on and off were among 58 projects awarded $46 million in federal grants as part of President Obama's $100 million initiative to unlock the secrets of the human brain.
BEIJING - China's government has kicked off a media campaign in support of genetically modified crops, as it battles a wave of negative publicity over a technology it hopes will play a major role in boosting its food security.
TORONTO - Work on a pair of U.S. commercial spaceships to ferry astronauts to and from the International Space Station will be delayed after a losing contender protested the NASA awards, agency Administrator Charles Bolden said on Monday.
GENEVA - The world populations of fish, birds, mammals, amphibians and reptiles fell overall by 52 percent between 1970 and 2010, far faster than previously thought, the World Wildlife Fund said on Tuesday.
WASHINGTON - Sierra Nevada Corp (SNC) said it had filed a legal challenge to NASA's award of contracts totaling $6.8 billion to Boeing and SpaceX to build commercially owned and operated "space taxis" to fly astronauts to the International Space Station.
ROCHESTER N.Y. - Watch out Harry Potter, you are not the only wizard with an invisibility cloak.
NEW DELHI - As India celebrated becoming the first Asian nation to reach Mars, S.M. Vaidya, head of business at conglomerate Godrej's aerospace division that made the spacecraft's engine and thruster components, sounded surprisingly downbeat.
DALLAS - Two days after he was sent home from a Dallas hospital, the man who is the first person to be diagnosed with Ebola in the United States was seen vomiting on the ground outside an apartment complex as he was bundled into an ambulance. | Video