Most of the U.S. volcanoes that have been making themselves known since spring woke up a bit, shook themselves off and then ...

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

The world’s tallest building, the Burj Khalifa in Dubai, is a staggering 2,722 ft tall. That’s 829.8 metres, or just over half a mile, making London’s top skyscraper, the Shard, seem like a glorified ...