Step off the desert trail and into Arizona’s longest cave, where crystal formations and subterranean wonders await.

We all have those weeks where the calendar feels like it is mocking us and the laundry pile has developed its own ...

Let’s be honest: most parents envision a national park vacation as a majestic, peaceful communion with nature where the ...

After eons underground, it was discovered by accident. Within a couple of decades, it was already under threat.

Learning doesn’t always mean flipping through heavy textbooks or sitting in a long lecture. Sometimes, it just takes ...

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown. When you purchase through links on our site, we may earn an affiliate ...

Gavin Newsom has hit podcaster Katie Miller with a stinging new rebuke as the wife of one of President Donald Trump’s top aides suffers a string of embarrassments on social media. The California ...