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Researchers find new form of Mars lava flow

High-resolution photos of lava flows on Mars reveal coiling spiral patterns that resemble snail or nautilus shells. Such patterns have been found in a few locations on Earth, but never before on Mars. The ...

Space & Earth / Space Exploration

created Apr 26, 2012 | popularity 5 / 5 (4) | comments 2 | with audio podcast

Epic volcanic activity flooded Mercury's north polar region

(PhysOrg.com) -- Ever since the Mariner 10 mission in 1974 snapped the first pictures of Mercury, planetary scientists have been intrigued by smooth plains covering parts of the surface. Some suspected past ...

Space & Earth / Space Exploration

created Sep 29, 2011 | popularity 4.3 / 5 (6) | comments 2 | with audio podcast

Deep-sea volcanoes don't just produce lava flows, they also explode

Most deep-sea volcanoes produce effusive lava flows rather than explosive eruptions, both because the levels of magmatic gas tend to be low, and because the volcanoes are under a lot of pressure from the surrounding ...

Space & Earth / Earth Sciences

created Mar 28, 2011 | popularity 4.3 / 5 (6) | comments 2 | with audio podcast

Evidence of second fast north-south pole flip found

(PhysOrg.com) -- The Earth's magnetic poles flip around every 200,000 years or so, with north becoming south and vice versa. Normally, the process takes 4-5,000 years and it ought to be impossible for the ...

Space & Earth / Earth Sciences

created Sep 06, 2010 | popularity 4.7 / 5 (44) | comments 29 | with audio podcast report

Team explains how dinosaurs rose to prominence

A shade more than 200 million years ago, the Earth looked far different than it does today. Most land on the planet was consolidated into one continent called Pangea. There was no Atlantic Ocean, and the rulers ...

Space & Earth / Earth Sciences

created Mar 22, 2010 | popularity 4.7 / 5 (17) | comments 9 | with audio podcast

Sandtrapped Rover Makes a Big Discovery

Homer's Iliad tells the story of Troy, a city besieged by the Greeks in the Trojan War. Today, a lone robot sits besieged in the sands of Troy while engineers and scientists plot its escape.

Space & Earth / Space Exploration

created Dec 03, 2009 | popularity 4.8 / 5 (56) | comments 11

New ancient fungus finding suggests world's forests were wiped out in global catastrophe

(PhysOrg.com) -- Scientists beleive extinct fungus species capitalised on a world-wide disaster and thrived on early Earth.

Space & Earth / Earth Sciences

created Oct 01, 2009 | popularity 4.5 / 5 (25) | comments 1

Geologic map of Jupiter's moon Io details an otherworldly volcanic surface

More than 400 years after Galileo's discovery of Io, the innermost of Jupiter's largest moons, a team of scientists led by Arizona State University (ASU) has produced the first complete global geologic map ...

Space & Earth / Space Exploration

created Mar 19, 2012 | popularity 4.1 / 5 (8) | comments 9 | with audio podcast

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

3D-Model mimics volcanic explosions

(PhysOrg.com) -- A 3-D model of a volcanic explosion, based on the 1980 eruption of Mount St. Helens in Washington state, may enhance our understanding of how some volcanic explosions occur and help identify ...

Space & Earth / Earth Sciences

created Jun 01, 2011 | popularity not rated yet | comments 0 | 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

Scientists Explore Origins of 'Supervolcanoes' on the Sea Floor

(PhysOrg.com) -- "Supervolcanoes" have been blamed for multiple mass extinctions in Earth's history, but the cause of their massive eruptions is unknown.

Space & Earth / Earth Sciences

created Apr 09, 2010 | popularity 4.4 / 5 (10) | comments 8 | with audio podcast

Venus is alive -- geologically speaking (w/ Video)

ESA's Venus Express has returned the clearest indication yet that Venus is still geologically active. Relatively young lava flows have been identified by the way they emit infrared radiation. The finding suggests ...

Space & Earth / Space Exploration

created Apr 08, 2010 | popularity 4.5 / 5 (12) | comments 2 | with audio podcast

Lava flows in Daedalia Planum

(PhysOrg.com) -- Mars Express imaged Daedalia Planum, a sparsely cratered, untextured plain on the Red Planet featuring solidified lava flows of varying ages.

Space & Earth / Space Exploration

created Oct 09, 2009 | popularity 3.5 / 5 (2) | comments 0

Volcanic eruption takes toll on Galapagos wildlife

A volcanic eruption over the weekend has taken a toll on the wildlife of the ecologically-fragile Galapagos Islands, causing the deaths of numerous fish and various sea lions, said officials on Thursday.

Biology / Ecology

created Apr 16, 2009 | popularity 4.3 / 5 (3) | comments 0