A crater on Mars has a bright patch of ice. It's the second time in over a decade that the crater and ice has been observed ...

America’s first Chief Geologist, G.K. Gilbert — working for J.W. Powell, of Grand Canyon fame — rode his horse through the ...

The superintendent of Crater Lake National Park in Oregon has resigned, just months into the role. Kevin Heatley cited ...

The House narrowly passed a tax cut bill that faces an uncertain future in the Senate, with Arizona's Democratic senators ... What's in the 'Big Beautiful Bill'? What Arizonans must know about ...

But Arizona’s non-conference schedule is brutal ... College sports realignment roils West: Will Pac-12, MW moves hurt Big Sky? House lawsuit settlement winners/losers: Gonzaga, Big East could ...