Earth Sciences

Earth Sciences

Scientists Connect Greenhouse Gas Rise to Ocean Current Shifts

By examining 800,000-year-old polar ice, scientists increasingly are learning how the climate has changed since the last ice melt and that carbon dioxide has…

Earth Sciences

How Carbon Dioxide Shapes Global Climate Patterns Today

Increasingly, the Earth's climate appears to be more connected than anyone would have imagined. El Niño, the weather pattern that originates in a patch of the…

Earth Sciences

Evaluating Human Impacts on Ocean Chemistry: WHOI Study Insights

Now, a marine geochemist at the Woods Hole Oceanographic Institution (WHOI) has published a report in the latest issue of the journal Science that evaluates…

Earth Sciences

Tropical Depression 2-E Struggles as Tropical Storm Blas Forms

On June 17 at 08:11 UTC (4:11 a.m. EDT/1:11 PDT) the Atmospheric Infrared Sounder (AIRS) instrument that flies aboard NASA's Aqua satellite captured an…

Earth Sciences

Fossil Evidence Challenges Younger Dryas Impact Theory

Whereas proponents of the theory have offered “carbonaceous spherules” and nanodiamonds—both of which they claimed were formed by intense heat—as evidence of…

Earth Sciences

Monitoring Soil Health: Insights from Geological Observatories

Humans need plants to survive, and plants need soil. But what happens when human, geological and climatic activity alters soil composition and structure and…

Earth Sciences

Innovative Carbon Capture: Storing CO2 Underground in Rock Form

As carbon dioxide continues to burgeon in the atmosphere causing the Earth's climate to warm, scientists are trying to find ways to remove the excess gas from…

Earth Sciences

Tropical Depression 2-E Forms in Eastern Pacific, More Ahead

The GOES-11 satellite captured a visible image of Tropical Depression 2-E and System 92E on June 16 at 12:00 UTC (8:00 a.m. EDT). GOES-11 was launched by NASA…

Earth Sciences

New Insights Into Critical Nucleus in Haze Formation

Professor Renyi Zhang published his work in the June 11 issue of Science magazine, summarizing recent findings and new research directions that could pave the…

Earth Sciences

Oldest Tooth Marks Found from Dinosaur-Chewing Mammals

Nicholas Longrich of Yale University and Michael J. Ryan of the Cleveland Museum of Natural History came across several of the bones while studying the…

Earth Sciences

LSU professor uses volcanic emissions to study Earth's atmospheric past

“Past volcanic eruptions have had significant impacts on the environment,” said Bao. “We humans have witnessed the various impacts of volcanic eruptions like…

Earth Sciences

Ancient Volcanic Eruptions: Uncovering North America’s Explosive Past

The researchers found the remains–deposited in layers of rocks–of eruptions of volcanoes located on North America's northern high plains that spewed massive…

Earth Sciences

Understanding Organic Carbon in Neoproterozoic Glacial Sediments

How do we begin to understand what early life was like on Earth about 700 million years ago as our planet shifted from an oxygen-free and probably ice-covered…

Earth Sciences

System 92L's chances for development are waning

The Geostationary Operational Environmental Satellite called GOES-13 captured a visible image of System 92L on June 15 at 11:45 UTC (7:45 a.m. EDT). The…

Earth Sciences

System 92L: NASA’s Aqua Satellite Tracks Tropical Development

NASA's Aqua satellite flew over the low pressure area on June 14 at 04:29 UTC (12:29 a.m. EDT). The Atmospheric Infrared Sounder (AIRS) instrument detects heat…

Earth Sciences

Carbonate Minerals Found on Mars: Clues to Ancient Life

Some four billion years ago, our neighbor planet Mars had a warm and wet climate and would thus have provided a much more favorable environment for the…

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