Clouds of water ice can be seen drifting over ancient volcanoes on Mars. But billions of years ago, the surface was more temperate. Rock samples could tell us whether it supported ancient life.

EXCLUSIVE: The Walt Disney Company revealed its Earth Month programming plans with a campaign led by National Geographic to ...

LOS ANGELES -- In celebration of Earth Month, The Walt Disney Company is hosting an enterprise-wide campaign, ourHOME, led by National Geographic, to inspire audiences to appreciate the wonderful ...