BP halts Gulf oil flow for first time since April

British energy giant BP says it has temporarily stopped oil flowing into the Gulf of Mexico for the first time in three months as it began key tests hoping to stem the spill for good.

Obama gives $2 billion to solar energy companies

US President Barack Obama announced on Saturday the awarding of nearly two billion dollars to two solar energy companies that have agreed to build new power plants in the United States, creating thousands of new jobs.

Obama lays out new US space policy

President Barack Obama on Monday laid out an overarching new US policy on outer space, calling for more international and private sector cooperation on exploration, climate change and orbiting debris.

Gov't plans to double available wireless spectrum

(AP) -- The Obama administration intends to nearly double the available amount of wireless communications spectrum over the next 10 years in an effort to keep up with the ever-growing demand for high-speed video and data ...

Landing on an asteroid: Not quite like in the movies

Millions of miles from Earth, two astronauts hover weightlessly next to a giant space rock, selecting pebbles for scientific research. The spaceship where they'll sleep floats just overhead. Beyond it, barely visible in the ...

Surprise NASA move may force shutdown of Constellation program

In a surprise move, NASA has told the major contractors working on its troubled Constellation moon rocket program that they are in violation of federal spending rules -- and must immediately cut back work by almost $1 billion ...

BP cuts off broken oil pipe with giant shears

BP on Thursday successfully cut off a fractured oil pipe using giant shears, pressing ahead with its latest bid to seal the Gulf of Mexico leak as President Barack Obama announced a third trip to the region.

'Top kill' fails to stop Gulf oil leak

BP's "top kill" operation to plug the ruptured well in the Gulf of Mexico has failed in a stunning setback to efforts to stem the worst oil spill in US history.

page 9 from 40