Science News

Commercial space rides for U.S. astronauts to save millions: NASA


CAPE CANAVERAL, Fla - The U.S. space program should save more than $12 million a seat flying astronauts to and from the International Space Station on commercial space taxis rather than aboard Russian capsules, the NASA program manager said on Monday.

Scientists ask if Ebola immunizes as well as kills

LONDON/DAKAR - A recent sharp drop in new Ebola infections in West Africa is prompting scientists to wonder whether the virus may be silently immunizing some people at the same time as brutally killing their neighbors.

Health 3:44am EST

University of Wisconsin closes laboratory, ending cat experiments

- A University of Wisconsin research laboratory that attracted controversy for using live cats in experiments is closing this year, the school said.

Environment 26 Jan 2015

The upper hand: study points to early tool use by human ancestors

WASHINGTON - Human ancestors may have been capable of using tools much earlier than previously thought.

23 Jan 2015

Giant asteroid set to buzz Earth, poses no threat

CAPE CANAVERAL, Fla - An asteroid measuring about a third of a mile (half a kilometer) in diameter will make a relatively close, but harmless pass by Earth Monday night, NASA said.

26 Jan 2015

Rosetta spacecraft raises new questions about comet’s origin

CAPE CANAVERAL, Fla. - Scientists using Europe’s comet-orbiting Rosetta spacecraft have discovered that the complicated ancient body is coated with surprisingly simple organic molecules and surrounded by a changing cloud of gases, according to new research released on Thursday.

22 Jan 2015

Countdown to catastrophe: Doomsday Clock moved closer to midnight

- Rising threats from climate change and nuclear arsenals prompted the scientists who maintain the Doomsday Clock, a symbolic countdown to global catastrophe, to move it two minutes closer to midnight on Thursday, its first shift in three years.

Lake Tahoe's tiny creatures dying off at dramatic rate: scientist

- The smallest critters who occupy the bottom of the cold, clear waters of Lake Tahoe are dying off at an alarming rate and scientists are trying to find the cause to protect the fragile ecosystem of the lake high in the Sierra Nevada range.

Environment 21 Jan 2015

SpaceX raises $1 billion in funding from Google, Fidelity

- Space Exploration Technologies (SpaceX), founded by Elon Musk, said it has raised about $1 billion in a financing round with two new investors, Google Inc and Fidelity.

Deals 20 Jan 2015

Scientists create 'genetic firewall' for new forms of life

NEW YORK - A year after creating organisms that use a genetic code different from every other living thing, two teams of scientists have achieved another "synthetic biology" milestone: They created bacteria that cannot survive without a specific manmade chemical, potentially overcoming a major obstacle to wider use of genetically modified organisms (GMOs).

21 Jan 2015

Single new case can reignite Ebola outbreak if vigilance lost, says MSF

LONDON (Thomson Reuters Foundation) - A decline in Ebola cases in West Africa must not result in a loss of vigilance because a single new case is enough to reignite an outbreak, international medical charity Medecins Sans Frontieres (MSF) said on Monday.