Beneath the surface of our galaxy's water worlds

Out beyond our solar system, visible only as the smallest dot in space with even the most powerful telescopes, other worlds exist. Many of these worlds, astronomers have discovered, may be much larger than Earth and completely ...

World's largest 'lava lamp bubble' under NZ

Seismic wave-speeds have revealed part of an ancient volcanic "superplume" beneath New Zealand, highlighting connections between the Earth's deep interior and the surface we live on.

Sediments may control location, magnitude of megaquakes

The world's most powerful earthquakes strike at subduction zones, areas where enormous amounts of stress build up as one tectonic plate dives beneath another. When suddenly released, this stress can cause devastating "megaquakes" ...

Undersea volcanism may explain medieval year of darkness

Starting in 536 A.D., the sky went dark for more than a year. In some parts of Europe and Asia, the sun only shone for about four hours a day, and "accounts say the sun gave no more light than the moon," says Dallas Abbott, ...

Hard as a rock? Maybe not, say bacteria that help form soil

Research published this week by University of Wisconsin-Madison scientists shows how bacteria can degrade solid bedrock, jump-starting a long process of alteration that creates the mineral portion of soil.

Ages of the Navajo Sandstone

The real Jurassic Park was as an ancient landscape home to a vast desert covered mostly in sand dunes as far as the eye could see, where dinosaurs and small mammals roamed southern Utah. The Navajo Sandstone is known for ...

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