That's good news for scientists and NASA, which is looking to land astronauts at the south pole on the near, Earth-facing ...

Residents can explore around the remnants of an abandoned coal mine in OC’s backcountry with Irvine Ranch Conservancy.

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

Zion National Park to Grand Canyon road trip guide • Discover the best route, scenic stops, travel tips, and must-see ...