Archaeologists working in a volcanic field in northern Saudi Arabia have recovered human bones, stone tools, and charcoal ...

Venus has long been painted as a featureless, molten world, its surface blurred by a suffocating atmosphere and crushing ...

Arnie said, "Get your ass to Mars", but is it really a good idea? We asked the experts about our Martian future.

Christopher Duddy was shooting a film in Hawaii when disaster struck. For 28 hours he choked on fumes near a lava lake, fighting to get to safety ...

Step into an underground lava cave hike in Arizona, where cool air, dark tunnels, and rugged volcanic walls turn a simple walk into a bucket list adventure.

Vote once a day, every day, for your favorite Boat Tour. Voting ends March 18, 2026. The 10 winners will be announced on ...

They show up as a mathematical solution in general relativity, basically as a time-reversed version of a black hole. Some ...

All the “normal” matter, like the stars, gas, dust, and people, is called baryonic matter, and it’s basically the tiny visible fraction of a universe that’s mostly invisible and still not fully ...

Lava Beds National Monument in Tulelake, California, is home to over 800 lava tube caves that’ll make you feel like you’ve accidentally stumbled onto the set of a science fiction movie, except ...

The caves in Oregon are incredibly diverse. From lava caves to glacier caves to sea lion caves, Oregon has it all.