How was the Earth formed?

Just how did the Earth—our home and the place where life as we know it evolved—come to be created in the first place? In some fiery furnace atop a great mountain? On some divine forge with the hammer of the gods shaping ...

Understanding the planets through volcanoes

Billions of years ago, volcanoes sent material from inside planetary bodies to the surface. Subsequent impacts have covered those original deposits. Jennifer Whitten, who receives her Ph.D. in geological sciences this year, ...

Ancient volcanic explosions shed light on Mercury's origins

Mercury was long thought to be lacking volatile compounds that cause explosive volcanism. That view started to change when the MESSENGER spacecraft returned pictures of pyroclastic deposits—the telltale signature of volcanic ...

Source of Galapagos eruptions is not where models place it

Images gathered by University of Oregon scientists using seismic waves penetrating to a depth of 300 kilometers (almost 200 miles) report the discovery of an anomaly that likely is the volcanic mantle plume of the Galapagos ...

American Peter Molnar wins Crafoord science prize

American scientist Peter Molnar has been awarded the 2014 Crafoord Prize in Geosciences for a groundbreaking contribution to the understanding of the driving forces behind plate motions and the place of continents in earth's ...

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