two massive canyons likely formed on the moon in a span of less than 10 minutes, according to new research. The extraordinary ...

As the sun dipped low to the southwest of the Grand Canyon, tourists flocked to the rim. They lined up to catch the shuttle ...

But as word of what he’d done slowly spread, a new challenge opened ... people had stood on the moon (12) than had completed a continuous thru-hike of the Grand Canyon (eight).

The less crowded, more remote part of Grand Canyon National Park opens May 15 for its brief 2025 season. Here's what's new ...

A waning crescent moon still hung in the sky when we shoved off ... which jigsaws ecological communities into new arrangements and, in the Grand Canyon, is expected to favor nonnative plants. There’s ...