DEATH VALLEY NATIONAL PARK, Calif. - In a desert called the driest place in North America, who would guess a rainbow colors the sky. After a light rain, however, the brilliant rainbow appears before ...

For more than 15 years, botanist Naomi Fraga of the California Botanic Garden has been trying to collect seeds from the rare Death Valley sage, for safekeeping in a vault of native California seeds.

In one of the hottest places on Earth, a vanished Ice Age lake has quietly returned to life. Where most visitors expect a blinding white salt pan, they are now finding open water stretching across the ...