Yellowstone ... very hot (at or near the boiling point of water), and deep thermal pools and the white, extensive siliceous ...

Grand Prismatic Spring, the third largest hot spring in the world and one of Yellowstone's top attractions, looked particularly magical as the overcast skies muted its rainbow colors and heavy ...

Abyss Pool in the West Thumb Geyser Basin in Yellowstone National Park is getting hotter and changing colors. Scientists say the pool, where a human ...

Yellowstone Caldera Chronicles is a weekly ... and cooling of silica-rich thermal fluids. The hot spring pools are steep sided inverted cones that form by dissolution of the rhyolite or sinter ...

Scientists will be drilling a 1.3-mile-deep borehole into an active volcano to tap into the potentially limitless energy from the magma ...

Mammoth Hot Springs in northern Yellowstone National Park sits on the border of Wyoming and Montana. It is a place you h ...

The area is perhaps best known for its hot springs and geysers, but whilst spectacular, they can also prove to be very dangerous. Yellowstone sits above one of the largest magma chambers on the planet ...

West Thumb Geyser Basin, along the southwest shore of West Thumb Basin in western Yellowstone Lake, is one of Yellowstone’s ...