Ancient Air Bubbles Trapped in Antarctic Ice Point to Cause of Oxygen Decline
Glacial erosion likely caused atmospheric oxygen levels to dip over past 800,000 years. An unknown culprit has been removing oxygen from our atmosphere for at…
Glacial erosion likely caused atmospheric oxygen levels to dip over past 800,000 years. An unknown culprit has been removing oxygen from our atmosphere for at…
For the first time, a high-pressure calcium silicate perovskite (CaSiO3) has been identified as a naturally occurring mineral from Earth’s lower mantle, researchers report. The…
New mineral from Earth’s lower mantle surfaced as diamond inclusion; study led by UNLV geochemist Oliver Tschauner. UNLV geochemists have discovered a new mineral on…
Discovery of unusual new mineral called goldschmidtite poses curious questions about Earth’s mantle. A new and curious mineral has been discovered by University of Alberta…
Researchers suspect greater dynamics than previously assumed between the Earth’s surface and its mantle. What is the chemical composition of the Earth’s interior? Because it…
Up until about ten years ago, scientists thought they had a pretty good picture of how the moon and Earth came to co-exist. Then more…
New research by Brown University geochemists provides new insights on the scale at which Earth’s mantle varies in chemical composition. The findings could help scientists…
A new study from the Carnegie Institution For Science shows that reservoirs of oxygen-rich iron between the Earth’s core and mantle could have played a…
New research presented at the 2014 Goldschmidt Geochemistry Conference reveals that the final stage of Earth’s formation is around 60 million years older than previously…
By using refined techniques to compare the measurements of oxygen isotopes in lunar samples with those from Earth, a team of astronomers has provided new…
New research from Woods Hole Oceanographic Institution tests the theory that simple metabolic reactions near ancient seafloor hot springs enabled life as we know it…
Using ultrafast pump-probe X-ray spectroscopy, a team of scientists was able to measure the rates at which electrons are transported through spontaneous iron-to-iron hops in…
A newly published study from scientists at MIT describes their discovery of a bacterial gene that may explain the sudden influx of methane-eating bacteria at…
While the use of lead gasoline has severally dwindled since the 1970s, the effects on the environment are widespread. Scientists at MIT that have been…
A new study published in the journal Science suggests that humans might have played a significant part in the sudden deforestation of rainforests from Central…