Rep. Raúl Grijalva, a 12-term Democrat from Arizona, has died after complications from cancer treatment, his office says.

Madness" is not just a tournament, it's a phenomenon that was born on the courts of Illinois in the 1930s, and today it’s ...

Colleagues and friends of Rep. Raúl M. Grijalva praised his commitment to working families, the environment and his Arizona ...

During the past year, place names from the Grand Canyon have turned up on the surface of Mars. To find out why, author Scott ...

They will be aboard the New Shepard, the centerpiece rocket of Blue Origin’s space tourism business, in a launch this spring.

Grand Canyon boaters putting into the Colorado River commonly do ... And by extension, rename the state of its origin? A blue ...

If there’s a single origin to my scientific career, it’s the moment Charlie Longenecker introduced me to chicory.

Iron oxide minerals are found in rocks around the globe. Some are magnetic, and some of them rust—especially when exposed to ...

Arizona's highest point is near Flagstaff and provides scenic views. Here's what to know about the tallest mountain, including elevation and hiking.