A new study suggests ancient wood floated into a cave far above the Colorado River when a meteorite-induced earthquake ...

The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.

Here's your guide to 24 hours in New Orleans, and the best way to see it all in a day. Start at Cafe Du Monde, then head to Mardi Gras World, French Quarter, Cemetery Tour, Louisiana BBQ for lunch, ...