Though the Grand Canyon we know today is a deep and dusty chasm, it was once an equatorial region bathed in a shallow sea.

A wildfire in Southern California sparked early Thursday evening and grew quickly in size overnight. Hundreds of firefighters ...

The Grand Canyon may be famous, but it’s not the largest on Earth. Exploring contenders from the ocean floor to icy Antarctica reveals a surprising champion.

Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...

Progress in containing the Dragon Bravo Fire is seen, with 36% containment and 1,370 personnel fighting the blaze.

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.

Blackheath is the ultimate easy day trip just over an hour from Sydney – here's how to get there, what to do, and where to ...

On Friday, Senator Kelly was able to see the devastation in person about a month after he first called for an investigation into how the fire was handled.

A large brush fire that erupted near Lake Piru in Ventura County and spread into Los Angeles County continues to burn, though crews are making significant progress in containment.

Texas Republican Gov. Greg Abbott is threatening to call a series of rolling special legislative sessions to push the Trump ...

The Canyon Fire in Southern California continued to grow and burn on Friday afternoon, after forcing thousands of residents ...