Microplastics, which are plastic particles under 5 millimeters, are a major and growing threat in both soil and water. They damage soil fertility, disrupt nutrient cycling, harm aquatic and terrestrial life, and can move ...
Roughly 2.5–2 billion years ago, Earth's surface experienced the biggest chemical change in its history when oxygen became abundant in the atmosphere, eventually leading to the evolution of complex life forms such as plants ...
Earth Sciences
Aug 10, 2026
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188
Pennsylvania's roughly 100,000 oil and gas wells produce wastewater that's many times saltier than seawater and contains radium, a known carcinogen. For decades, that saltwater, called brine, was spread on dirt and gravel ...
Environment
Jul 27, 2026
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186
Many people are familiar with fossilized wood as a decorative item from a museum shop. However, the fact that it can preserve the geological history of entire regions spanning millions of years is a new discovery. A research ...
Earth Sciences
Jul 24, 2026
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178
Deploying ocean iron fertilization—a strategy for carbon dioxide capture—in higher latitudes rather than near the equator could reduce environmental impacts while still achieving removal of carbon dioxide from the atmosphere, ...
Earth Sciences
Jul 29, 2026
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162
Permafrost in the Arctic stores large quantities of organic carbon. When frozen ground thaws or coastal sections erode, this carbon can enter the sea, where microorganisms can break it down and convert it into climate-damaging ...
Earth Sciences
Jul 31, 2026
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138
In April 1917, the German submarine UC-30 sailed beneath the waves off the coast of Rømø. It had originally been on a mission in Ireland, but after suffering engine trouble, it turned around and was almost home in Germany.
Environment
Aug 21, 2026
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133
Spectacular images of lava flowing down the slopes of erupting Mount Etna have drawn flocks of tourists to the Italian volcano—to the worry of local guides.
Environment
Aug 12, 2026
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131
A research team led by Professor Dong-Yeun Koh of the Department of Chemical and Biomolecular Engineering, in collaboration with Professor T. Alan Hatton's group at the Massachusetts Institute of Technology (MIT), developed ...
Environment
Aug 4, 2026
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109
Researchers from Cornell University have pinpointed the source of oxygen that sustains deep-sea life in the North Atlantic Ocean: the churning waters in the Labrador Sea.
Earth Sciences
Aug 17, 2026
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