Mysterious driftwood high in Grand Canyon caves hints at the legacy of Arizona’s huge impact crater.

The origin story of Hells Canyon, North America's deepest river gorge, has long been unclear to scientists. But new research estimates it formed about 2.1 million years ago when a dramatic flood event ...

The origin story of Hells Canyon, North America's deepest river gorge, has long been unclear to scientists. But new research estimates it formed about 2.1 million years ago when a dramatic flood event ...

Hells Canyon, the deepest river gorge in the United States, likely got rapidly carved 2.1 million years ago when a shifting landscape in Idaho caused a giant lake to start overflowing. That's ...

That’s according to a new study that looked at ancient river sediments that have long been hidden away inside the canyon’s caves, which now lie high above today’s Snake River. This new work is ...

With AI infiltrating most of our lives online, discerning what is real and what isn't has been tougher than ever. But the ...

Massive ice formations near Pictured Rocks and Eben are attracting thousands of visitors. What to know in 2026.

Colorado is known for its mountain trails, but it also offers other natural beauties in the forms of caves, caverns, and waterfalls for southern Coloradans looking to get outside. From magnificent ...

Few movie and TV locations are as eternal and easily accessible as the Bronson Caves. Just two miles northeast of Hollywood & Vine in a canyon on Griffith Park's western edge, the caves have served ...

The ongoing drought in Comal County is causing water levels at Canyon Lake to fall to record lows — and uncovering geological features not seen in recent times. Low water levels recently exposed a ...