Geology

Earth's Core Undergoes Rapid Changes- And It Changes Our Magnetic Field

In a recent paper, geophysicist Mioara Mandea from the GFZ German Research Centre for Geosciences, Potsdam and her Danish colleague Nils OLSEN from the National Space Institute/DTU Copenhagen, have shown that motions in the fluid in the Earth’s core are ch ...

Article - News Staff - Jul 7 2008 - 11:37am

Water On The Moon!

A research team has for the first time discovered evidence of water that came from deep within the Moon, a revelation that strongly suggests water has been a part of the Moon since its early existence – and perhaps ever since it was created by a cataclysmi ...

Article - News Staff - Jul 9 2008 - 7:04pm

Where Do Most Meteorites On Earth Come From?

Meteorites are a major tool for knowing the history of the solar system because their composition is a record of past geologic processes that occurred while they were still incorporated in the parent asteroid. Most of the meteorites that we collect on Eart ...

Article - News Staff - Jul 13 2008 - 10:31am

Iceland's Magma Chambers

For the first time, researchers have taken a detailed look at what lies beneath all of Iceland's volcanoes – and found a world far more complex than they ever imagined. They mapped an elaborate maze of magma chambers- work that could one day help scie ...

Article - News Staff - Jul 14 2008 - 10:09pm

1908 Tunguska Catastrophe- New Evidence Supports Meteorite Theory

The Tunguska event is regarded as one of the biggest natural disasters of modern times. On 30 June 1908 one or more explosions took place in the area close to the Tunguska River north of Lake Baikal. The explosion(s) flattened around 80 million trees over ...

Article - News Staff - Jul 16 2008 - 1:05am

The Vast Lakes And Flowing Rivers Of... Mars?

Mars once hosted vast lakes, flowing rivers and a variety of other wet environments that had the potential to support life, according to two new studies based on data from the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) and other instrumen ...

Article - News Staff - Jul 17 2008 - 1:32am

Ice Age Oasis? Even The Tropics Got Cold

Geoscientists have long presumed that the tropics remained warm throughout Earth's last major glaciation 300 million years ago but new evidence indicates that cold temperatures episodically gripped even equatorial latitudes at that time. Geologist Ger ...

Article - News Staff - Jul 31 2008 - 3:07pm

See Mother Earth Naked

Have you ever wondered what our world would look like stripped bare of all plants, soils, water and man-made structures? So have earth and computer scientists from 79 nations who are working together on a global project called OneGeology to produce the fir ...

Article - News Staff - Jul 31 2008 - 9:08pm

The Strange Metal Brew Of Jupiter And Saturn

A strange, metal brew lies buried deep within Jupiter and Saturn, according to a new study by researchers at the University of California, Berkeley, and in London. The study, published in this week's online edition of the journal Proceedings of the N ...

Article - News Staff - Aug 6 2008 - 7:38pm

Brazilian Diamonds- Window To The Center Of The Earth

Diamonds from Brazil have provided the answers to a question that Earth scientists have been trying to understand for many years: how is oceanic crust that has been subducted deep into the Earth recycled back into volcanic rocks? A team of researchers from ...

Article - News Staff - Aug 12 2008 - 9:33am