Igneous rocks form when magma cools underground or erupts at the surface as lava. The magma rises into the Earth’s crust, where it can get trapped underground or erupt from volcanoes as molten lava.

Why Do Some Beaches Have Black Sand? The Volcanic Secret? Discover the intriguing reasons behind the creation of black sand ...

Greek authorities ordered the suspension of the construction of a luxury hotel on one of Greece's most famous beaches, on the island of Milos.

That’s the channel inside a volcano that opens up to the surface. As it cools it becomes a very hard type of igneous rock. This one first formed over 350 million years ago. Then, millions of ...

Bringing a novel approach to a classic problem, researchers have revealed how changes in ocean chemistry over the past 2 billion years have left an imprint on volcanic rocks formed in island arcs.

Iceland has seen some major volcanic activity in the last couple of years. Travel expert Rick Steves has some advice for ...

Anointed Australia’s greatest movie by the country’s film institute, “Hanging Rock,” in a new restoration, opens Friday at ...

Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon ...

Since January 5, the Poás volcano began a new activity that has made experts follow it closely and even generate warnings for the population that visits the National Park.

It's more than 800 feet tall. But are you aware that Beacon Rock used to be taller when it was a volcano erupting here in the gorge during the Ice Age? (upbeat music continues) (water rustling ...