Microsoft co-founder Paul Allen announced plans to construct a giant aircraft to launch rockets into orbit, eventually for paying passengers.
The Postal Service's cuts would close 252 of the nation's 461 mail processing centers beginning next spring. They would result in the elimination of roughly 28,000 jobs.
Angel investors are stepping up to larger, more complicated investments as the venture capital industry consolidates. But there are drawbacks to accepting their investment capital.
Draconid meteor shower viewing is potentially much more exciting this year, as Earth is expected to hit some tendrils of comet dust head-on. But the peak is Saturday afternoon.
Alabama's new immigration law requires public schools to document the legal status of children upon enrollment. As a result, many immigrant families are withdrawing their children from school.
The online enterprise, known as Dreamboard, rewarded a participant with greater access to child pornography whenever that participant provided new images of sexual abuse of young children.
To NASA workers and shuttle fans, Coldplay's "Viva La Vida" as Atlantis's Saturday wakeup call was a wistful tribute to a vehicle that has been the leading symbol of America's space program.
Halley's Comet won't be back for half a century, but tonight Earth will move through some of the debris the comet left behind, creating a spectacular meteor shower – if you live far enough south.
Meteorologists are combing through the damage from last week's historic tornado outbreak in Alabama, hoping to find clues about how to save more lives in the future.
The death toll from Wednesday's tornado outbreak across the South is now likely to top 200, with at least 131 fatalities in Alabama. Gov. Robert Bentley defends the state's preparedness.