News tagged with earth and planetary science letters

Could Siberian volcanism have caused the Earth's largest extinction event?

Around 250 million years ago, at the end of the Permian geologic period, there was a mass extinction so severe that it remains the most traumatic known species die-off in Earth's history. Although the cause ...

Space & Earth / Earth Sciences

created Jan 09, 2012 | popularity 4.7 / 5 (3) | comments 1 | with audio podcast

Poisonous oceans delayed animal evolution

Animals require oxygen, but oxygenated environments were rare on early Earth. New research from University of Southern Denmark shows that poisonous sulfide existed in the oceans 750 million years ago making ...

Space & Earth / Earth Sciences

created Oct 24, 2011 | popularity not rated yet | comments 0

New way to determine when water was present on Mars and Earth

(PhysOrg.com) -- The discovery of the mineral jarosite in rocks analyzed by the Mars Rover, Opportunity, on the Martian surface had special meaning for a team of Syracuse University scientists who study the ...

Space & Earth / Space Exploration

created Oct 20, 2011 | popularity 3.7 / 5 (3) | comments 1

Lava rocks from three continents and oceanic plateau traced to same lava plume

(PhysOrg.com) -- The Sylhet Traps lava flows of the Shillong Plateau in northeastern India lie some 340 miles to the east of the Rajmahal Traps at the bend of the Ganges River as it flows south to the Bay ...

Space & Earth / Earth Sciences

created Aug 19, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Lie of the land beneath glaciers influences impact on sea levels

Fresh research into glaciers could help scientists better predict the impact of changing climates on global sea levels.

Space & Earth / Earth Sciences

created Jul 12, 2011 | popularity not rated yet | comments 1

Monsoons spinning the Earth's plates: study

(PhysOrg.com) -- Scientists have for the first time shown a link between intensifying climate events and tectonic plate movement in findings that could provide a valuable insight into why huge tremors occur.

Space & Earth / Earth Sciences

created Apr 13, 2011 | popularity 3.2 / 5 (13) | comments 9 | with audio podcast

Ancient fossils hold clues for predicting future climate change, scientists report

(PhysOrg.com) -- By studying fossilized mollusks from some 3.5 million years ago, UCLA geoscientists and colleagues have been able to construct an ancient climate record that holds clues about the long-term ...

Space & Earth / Earth Sciences

created Apr 08, 2011 | popularity 4.2 / 5 (6) | comments 2 | with audio podcast

Hot topic in earth sciences: The mantle plume model and Siberian 'traps'

(PhysOrg.com) -- A Michigan Technological University researcher may have solved a long-standing mystery in earth science studies. In Siberia there exist stepped, large-scale basaltic formations known as “traps.” ...

Space & Earth / Earth Sciences

created Sep 22, 2010 | popularity 4.5 / 5 (17) | comments 0 | with audio podcast

Younger, hotter Earth still not understood

Plate tectonics may not have operated on a younger and hotter Earth according to new research from the University of Bristol carried out on preserved remnants of ancient continental crust in the Hudson Bay ...

Space & Earth / Earth Sciences

created Sep 13, 2010 | popularity 5 / 5 (6) | comments 0 | with audio podcast

New study shows how giant tortoises, alligators thrived in High Arctic 50 million years ago

A new study of the High Arctic climate roughly 50 million years ago led by the University of Colorado at Boulder helps to explain how ancient alligators and giant tortoises were able to thrive on Ellesmere ...

Space & Earth / Earth Sciences

created Aug 24, 2010 | popularity 5 / 5 (9) | comments 3 | with audio podcast

Ancient Hawaiian glaciers reveal clues to global climate impacts

Boulders deposited by an ancient glacier that once covered the summit of Mauna Kea on the island of Hawaii have provided more evidence of the extraordinary power and reach of global change, particularly the ...

Space & Earth / Earth Sciences

created Aug 05, 2010 | popularity 4.4 / 5 (14) | comments 3 | with audio podcast

Rocks on Mars may provide link to evidence of living organisms 4 billion years ago

A new article in press of the journal Earth and Planetary Science Letters unveils groundbreaking research on the hydrothermal formation of Clay-Carbonate rocks in the Nili Fossae region of Mars. The findin ...

Space & Earth / Space Exploration

created Jul 29, 2010 | popularity 4.4 / 5 (16) | comments 1 | with audio podcast

The Earth and Moon formed later than previously thought

The Earth and Moon were created as the result of a giant collision between two planets the size of Mars and Venus. Until now it was thought to have happened when the solar system was 30 million years old or ...

Space & Earth / Astronomy

created Jun 07, 2010 | popularity 4.4 / 5 (28) | comments 26 | with audio podcast

Scientist uncovers relics of ancient cosmos

(PhysOrg.com) -- A University of Manchester scientist, working as part of an international team, has uncovered an unexpectedly rich trove of relicts from the ancient cosmos.

Space & Earth / Space Exploration

created Dec 14, 2009 | popularity 4.5 / 5 (19) | comments 3

Life on Mars theory boosted by new methane study

Scientists have ruled out the possibility that methane is delivered to Mars by meteorites, raising fresh hopes that the gas might be generated by life on the red planet, in research published tomorrow in Earth an ...

Space & Earth / Space Exploration

created Dec 08, 2009 | popularity 4.9 / 5 (32) | comments 11