Learn more about the Meteor Crater near the Grand Canyon and how it may have created a paleolake thousands of years ago.

Officials say the expansion of the Arizona's child care assistance program came as a result of the new state budget.

Live updates from the July 21 late-countdown scrub of a SpaceX SES O3b mPOWER launch attempt from Cape Canaveral Space Force Station in Florida.

Early on July 4, almost 30 inches of rain fell within hours across Central Texas's Hill Country, surging the Guadalupe River ...

Permaculture instructor Andrew Millison explores the Central Arizona Project canal, which has unintentionally created a ...

Harvard University appeared in federal court Monday to challenge $2.6 billion in funding cuts by the Trump administration.