Science News

NASA says new heavy-lift rocket debut not likely until 2018

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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

Nearly two dozen fish species off U.S. West Coast deemed sustainable

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.

1:45am EDT

Polar bear DNA found from tracks in snow, in conservation step

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.

Environment 02 Sep 2014

Scientists use E.coli bacteria to create fossil fuel alternative

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.

Putin orders building hastened at new Russian spaceport

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.

World, Russia, 02 Sep 2014

Nasty, brutish and artsy? Neanderthal hashtag engraving found

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.

01 Sep 2014

Scientists solve mystery of moving Death Valley rocks

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.

28 Aug 2014

Texas family to part ways with skeleton of mammoth found on its farm

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.

Environment 26 Aug 2014

Tricking memory in lab animals stokes hope for PTSD

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.

27 Aug 2014

Boeing says completed key design review for space taxi

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.

21 Aug 2014
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West Africa struggles to contain Ebola as warnings and deaths mount

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