As the famed North American road gears up to celebrate its centenary, head to Arizona; home to the longest remaining stretch ...

Scientists have have discovered the oldest meteorite impact crater on Earth, in the very heart of the Pilbara region of Western Australia.

The ancient crater’s discovery in the Pilbara suggests meteorite impacts may have kickstarted Earth's first continents, and ...

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

On this spring trip, you'll spend time in the car and on the trails. This is my favorite trip to celebrate spring in Idaho.

Whether you are looking for something to do in Arizona for a quick day trip, weekend jaunt, or week long getaway, the Grand ...

Scientists found the longest organic molecules ever on Mars — ancient carbon chains that resemble the building blocks of life ...

There's always time for some light reading, even in the midst of a nuclear disaster. Here's our Atomfall: All Comic Book ...

Mount Spurr has shown increasing signs of activity. These are now at a level where an eruption is plausible. Nothing is ever guaranteed with Alaskan volcanoes: they can always ...

Scientists have long sought to determine the age of the moon's South Pole–Aitken (SPA) basin, the largest and oldest known ...

[Xinhua] BEIJING - Based on research on lunar samples retrieved by Chang'e-6 mission, a team of Chinese scientists confirmed that the oldest and largest impact crater on the moon, the South Pole ...