Saturday night's planned launch is already a month late – and could be delayed until late July if storms persist.
Human activity in deserts is causing more dust to settle on alpine meadows and mountains, speeding snow melt.
South Korea said Friday it had identified and blocked five IP addresses used to distribute computer viruses that caused a wave of Web site outages in the U.S. and South Korea.
The system allows real-time tracking of even small birds up to five miles away.
The share of Americans who see science as the nation's greatest achievement is down sharply, even as the public continues to hold scientists in high regard.
Google Inc. is hoping to gain greater control over how personal computers work by developing a free operating system that will attack Microsoft Corp.’s golden goose - its long-dominant Windows franchise.
Stormy weather could stall this weekend’s launch of space shuttle Endeavour. Forecasters on Wednesday put the odds of acceptable weather at just 40 percent for a Saturday evening launch. Conditions improve only slightly on Sunday.