Scientists uncover relationship between lavas erupting on sea floor and deep-carbon cycle
Scientists from the Smithsonian and the University of Rhode Island have found unsuspected linkages between the oxidation state of iron in volcanic rocks and variations in the chemistry of the deep Earth. ...
Iron in primeval seas rusted by bacteria
(Phys.org) —Researchers from the University of Tübingen have been able to show for the first time how microorganisms contributed to the formation of the world's biggest iron ore deposits. The biggest known ...
Study opens possibility of more dynamic biological oxygen cycle on early Earth than previously supposed
A research team of biogeochemists at the University of California, Riverside has provided a new view on the relationship between the earliest accumulation of oxygen in the atmosphere, arguably the most important ...
Ancient Earth crust stored in deep mantle
Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust. But decisive evidence for this phenomenon has proven elusive. New research from ...
New research suggests Yangtze River is at least 23 million years old
Archaeologists shine new light on Easter Island statue
A team of archaeologists from the University of Southampton have used the latest in digital imaging technology to record and analyse carvings on the Easter Island statue Hoa Hakananai'a.
Senator says NASA to lasso asteroid, bring it closer (Update)
NASA is planning for a robotic spaceship to lasso a small asteroid and park it near the moon for astronauts to explore, a top U.S. senator disclosed Friday.
New study reconciles carbon record disparities on land and on sea
(Phys.org) —It's a pressing question: How will the Earth's climate respond to future increases in atmospheric carbon dioxide (CO2)? Throughout geologic history, evidence of rapid, large-scale increases ...
Scientists find Moon, asteroids share history
(Phys.org) —NASA and international researchers have discovered that Earth's moon has more in common than previously thought with large asteroids roaming our solar system.
NASA: Flash reports consistent with single meteor
(AP)—Reports of a flash of light that streaked across the sky over the U.S. East Coast appeared to be a "single meteor event," the U.S. space agency said. Residents from New York City to Washington and ...
Huge and widespread volcanic eruptions triggered the end-Triassic extinction
More than 200 million years ago, a massive extinction decimated 76 percent of marine and terrestrial species, marking the end of the Triassic period and the onset of the Jurassic. This devastating event cleared ...
Los Alamos science sleuth on the trail of a Martian mystery
(Phys.org) —When it comes to examining the surface of rocks on Mars with a high-powered laser, five is a magic number for Los Alamos National Laboratory postdoctoral researcher Nina Lanza.
Curiosity Mars rover sees trend in water presence
(Phys.org) —NASA's Mars rover Curiosity has seen evidence of water-bearing minerals in rocks near where it had already found clay minerals inside a drilled rock.
After another near miss, professor wants to find asteroids that threaten Earth
(Phys.org) —On Saturday, an asteroid the size of one and a half football fields flew within 240,000 miles of Earth. If the space rock had hit land, it would have leveled an area the size of San Francisco ...