The extreme investigators at How to Survive uncover why escaping a fast-moving pyroclastic flow is nearly impossible.

Supermassive black holes are among the most enigmatic objects in the universe. They typically weigh millions or even billions ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...

If you walk across the open yard in front of the Physics, Math and Astronomy building at the University of Texas at Austin, ...

Across Earth, every night, thousands of automated stargazers are waiting to take pictures of shooting stars. I am one of the ...

Indonesia’s most active volcano erupted Monday with its biggest lava flow in months, sending a river of lava and searing gas ...

Researchers say the ancestral Colorado River formed an ancient lake in northern Arizona roughly 6.6 million years ago that ...

One of the oldest meteor showers recorded by humans began this week—but don’t worry, there’s still plenty of time left to see ...

The Colorado River muscled its way through today's Grand Canyon after pooling as a giant lake, according to new research.

A rare stargazing spectacle will unfold on Friday, April 13, 2029, as the asteroid Apophis passes closer than satellites over ...

From skinny ropes to mile-wide monsters, no two twisters are the same. Here’s what you need to know to tell a wedge from a ...