A restive volcano in central Philippines briefly erupted Tuesday, spewing a 4.5-kilometer (2.8-mile) ash plume and debris into the sky as its rumblings were heard nearby.

In the modern world, a reliable supply of hydrogen gas is vital for the function of society. Fertilizer produced from ...

Have you ever imagined what Antarctica looks like beneath its thick blanket of ice? Hidden below are rugged mountains, ...

The Yellowstone Plateau Volcanic Field has some of the largest rhyolite lava flows on Earth. Have you ever wondered what these flows look like in their interior, or how the unique textures that can be ...