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

The lightning-caused Arizona wildfire is not going away anytime soon, and its place in history is cemented by way of over 140 ...

While the Dragon Bravo Fire has burned more than 123,000 acres, much of the surrounding national park remains open. Here’s ...

The Dragon Bravo fire has been burning for more than a month, fueled by record-low humidity that has hampered containment ...

Nearly a century ago, fire crews at Grand Canyon National Park used tree towers — ladders attached to the park’s tallest ...

A New Jersey man has been missing for more than a week after going on a hike in the Grand Canyon as the largest fire ever ...

The Dragon Bravo Fire burning for more than a month on the Grand Canyon's North Rim was 29% contained, a 16% increase from ...

If you want to avoid the crowds and lines of the popular Grand Canyon, National Geographic says this Texas park is the ...

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.

Researchers from the University of Cambridge have unearthed thousands of microscopic fossils from the iconic Canyon, ...