CAPE CANAVERAL Fla. - NASA’s new heavy-lift rocket, designed to fly astronauts to the moon, asteroids and eventually Mars, likely will not have its debut test flight until November 2018, nearly a year later than previous estimates, agency officials said on Wednesday. NASA is 70 percent confident of making a November 2018 launch date, given the technical, financial and management hurdles the Space Launch System faces on the road to development, NASA associate administrators Robert Li
SAN FRANCISCO - Nearly two dozen species of fish have been deemed sustainable seafood options once again after rampant overfishing left areas off the U.S. West Coast devastated, a marine watchdog group said on Tuesday.
OSLO - Polar bear DNA has been isolated for the first time from footprints left in the snow on an Arctic island, a breakthrough that could help scientists better protect rare and endangered wild animals, experts said on Tuesday.
LONDON - British and Finnish scientists have found a way of generating renewable propane using a bacterium widely found in the human intestine and say the finding is a step to commercial production of a fuel that could one day be an alternative to fossil fuel reserves.
VOSTOCHNY Russia - President Vladimir Putin on Tuesday ordered construction sped up on a multi-billion-dollar spaceport in Russia's Far East that he said would break reliance on the Baikonur cosmodrome in Kazakhstan and launch future missions to the Moon and Mars.
NEW YORK - Belying their reputation as the dumb cousins of early modern humans, Neanderthals created cave art, an activity regarded as a major cognitive step in the evolution of humankind, scientists reported on Monday in a paper describing the first discovery of artwork by this extinct species.
LOS ANGELES - A solution to the longstanding mystery of why rocks move erratically across an isolated patch of California's Death Valley finally emerged on Thursday, when researchers published a study showing the driving force was sheets of wind-driven ice.
DALLAS - A North Texas family, who discovered the skeleton of a 20,000- to 40,000-year-old mammoth while mining through sediment on their farm, is preparing to turn over the remains to a local museum.
NEW YORK - The frailty of remembrance might have an upside: When a memory is recalled, two research teams reported on Wednesday, it can be erased or rewired so that a painful recollection is physically linked in the brain to joy and a once-happy memory to pain.
WASHINGTON - Boeing Co has completed a key review of its design for a new commercial venture to fly astronauts to the International Space Station, making it the only one of four rival bidders to finish the NASA work on time, company officials said on Thursday.
MONROVIA - The United Nations said on Tuesday the spread of the deadly Ebola virus in West Africa was causing food shortages in one of the world's poorest regions and the U.S. Centers for Disease Control and Prevention warned the disease was threatening the stability of stricken countries and their neighbors. | Video