The head of NASA's Ares program is leaving at a critical time.
The agency will invest $50 million in private companies with new ideas.
After months of awkward courtship, Microsoft and Yahoo have finally agreed on an Internet-search partnership.
Investors buy almost a third of the space tourism company.
It's a move that takes the fight to Google, but what's the business model?
Today the U.S. Senate will decide if Charles Bolden Jr. should take the helm.
Newspapers and magazines won't vanish. But they must change.
Non-Newtonian fluids may soon wind up on your dinner plate.
Tens of billions of dollars in new funding for basic research, science infrastructure and clean-energy initiatives.
Jobs' absence from MacWorld need not prompt speculation about the company's future.