Park rangers can wait years to see a weather event like the one that occurred last week at Grand Canyon National Park.
CNN Meteorologist Brandon Miller said cold fog trapped in the canyon by a "lid" of warm air produced what's known as an inversio
A SpaceX rocket with a 7,000-pound communications satellite on top lifted off from Cape Canaveral on Tuesday evening after two earlier launch dates were scrubbed.
The Falcon 9 booster thundered into the skies over Florida at 5:41 p.m.
NEW YORK (CNNMoney) -- When Peter Thum started Liberty United, he put an unusual product at the heart of the business: illegal guns.
The New York-based startup, which Thum launched with his wife in June, has a specific mission: take guns and bulle
Should a captive chimpanzee have the same rights as a "legal person"?
That's the debate set to unfold after an activist group filed lawsuits on behalf of four chimpanzees, asking the New York Supreme Court to grant them the "right to bodily libert
One after the other, dozens of cars and trucks slammed into the back of a multicar crash in Massachusetts until about 70 vehicles had been wrecked and at least 35 people had been taken to hospitals, the Massachusetts State Police said Sun
Two months after coming online, the beleaguered HealthCare.gov website works "smoothly for the vast majority of users," the Obama administration claimed Sunday, the self-imposed deadline for getting the website up and running.