A volcano erupted in southern Iceland, near the town of Grindavík and the Blue Lagoon spa, marking the region's seventh ...

The rover's latest discoveries, including pure sulfur stones and sprawling mineral "spiderwebs," unravel new mysteries of Mars' watery past.

Epic Guide to Death Valley National Park in California and Nevada. Everything you need to plan an amazing National Park vacation including lodging, camping, things to do, weather, and so much ...