A Hawaiian volcano looks like a scene from Lord of the Rings as it spews lava this week. A United States Geological Survey (USGS) live camera captured the ongoing activity at Kīlauea volcano and its ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

The lunar canyons Vallis Schrödinger and Vallis Planck are extraordinarily deep, and scientists now know the valleys were ...

Romantic hikes in Utah are the perfect Valentine's Day activity. The Tower Canyon Trail in Arches National Park has views you ...

Yellowstone itinerary is ideal for either first time visitors or long time fans of the National Park. Each day offers both ...