Astronomers find giant black hole in early universe

Feb 26, 2015

Astronomers find giant black hole in early universe

A black hole 12 billion times more massive than the sun has been found in a glowing quasar that existed when the universe was just a fraction of its current age, scientists said on Wednesday. The discovery challenges currently held theories that black holes ...

NASA investigating helmet water leak after spacewalk

Feb 26, 2015

NASA investigating helmet water leak after spacewalk

Two U.S. astronauts finished a 6½-hour spacewalk on Wednesday to prepare parking spots for new commercial space taxis, and then discovered water had leaked into a spacesuit helmet, a problem that led to the near-drowning of another astronaut in 2013, officials said. Unlike the ...

Feb 22, 2015

ISS astronauts route cable in first of three spacewalks

Spacewalking astronauts routed more than 300 feet (90 meters) of cable outside the International Space Station on Saturday, tricky and tiring advance work for the arrival of new American-made crew capsules. It was the first of three spacewalks planned for NASA astronauts Butch Wilmore ...

Feb 14, 2015

Aliens: good or bad? Movies offer little guidance

Astronomers are debating whether it would be a good idea to send signals into the universe, looking for extraterrestrial life. Since we don’t know who might respond, some argue that we would be asking for cosmic trouble. Such is the dilemma often wrestled with ...

Europe launches prototype space plane

Feb 12, 2015

Europe launches prototype space plane

Europe launched a prototype space plane Wednesday in a strategy to join an elite club able to launch a spacecraft and return it safely to Earth. A Vega rocket lifted off from the European Space Agency’s base in Kourou, French Guiana, bearing the novel ...

Feb 1, 2015

Scientists abandon highly publicized claim about cosmic find

Scientists who made headlines last March by announcing that they had found long-sought evidence about the early universe are now abandoning that claim. New data show that their cosmic observations no longer back up that conclusion, they say. The original announcement caused a sensation ...