Xenon Gas Has Almost Vanished From the Atmosphere
Xenon, the second heaviest of the chemically inert noble gases, seems to have vanished from the Earth’s atmosphere; but German geoscientists think that they figured…
Geoscience News
Diogenites Provide Clues of the Earliest Days of Our Solar System
Scientists from the Carnegie Institution for Science are focusing on an old type of meteorite called diogenites to gain a better understanding of the earliest…
Alterations in Seawater Chemistry Linked With Past Climate Change
A new study found that dissolution or creation of huge gypsum deposits changed the sulfate content of the oceans, which resulted in drastic changes in…
Coral Reveals Lead Levels from Gasoline in the Ocean
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…
Ancient Antarctica Was Much Warmer and Wetter Than Previously Suspected
In an effort to better understand what the future of climate change may look like, a team of scientists examined plant leaf wax remnants in…
Geological Record Shows Earth’s Oxygen Came from Mantle Cooling
Researchers have discovered that the proliferation of oxygen in the Earth’s atmosphere was linked to a sudden change in its mantle, billions of years ago,…
Earth Recovered 10 Million Years After Permian-Triassic Mass Extinction
The greatest mass extinction pulse was the Permian-Triassic extinction event, and it happened about 250 million years ago, nearly wiping out life on Earth. It…
1930s Photos Reveal History of Greenland Glaciers
Rediscovered aerial photos of Greenland from the 1930s have allowed scientists to construct the history of the glacier retreat and advance in the area. The…
Circumpolar Rivers are a Major Source of Mercury in the Arctic Ocean
A new study from environmental scientists suggests that the mercury concentration in the Arctic Ocean is being fueled by both an atmospheric source, which was…
Mysterious “Godzillus” Fossil Discovered by Amateur Paleontologist
An amateur paleontologist found a mysterious fossilized specimen that may have once lived near the shallow seas that covered what is now the Cincinnati area….
Billion Year Old Surface Water Found in Oceanic Plates
While analyzing samples of submarine volcanic glass near subduction zones, scientists found something unexpected. They saw changes in isotopes of hydrogen and boron from the…
Lava Fingerprinting Reveals Differences Between Hawaiian Volcanoes
According to University of British Columbia (UBC) research published this week in Nature Geoscience, Hawaii’s main volcano chains, the Loa and Kea, have distinct sources…
