At the end of the last Ice Age, as the world began to warm, a swath of the North Pacific Ocean came to life. During a brief pulse of biological productivity 14,000 years ago, this stretch of the sea teemed with phytoplankton, ...
Earth Sciences
Jul 14, 2013
2
0
More than seven years after Pennsylvania officials requested that the disposal of radium-laden fracking wastewater into surface waters be restricted, a new Duke University study finds that high levels of radioactivity persist ...
Environment
Jan 19, 2018
27
3344
A new study finds a trigger for the Little Ice Age that cooled Europe from the 1300s through mid-1800s, and supports surprising model results suggesting that under the right conditions sudden climate changes can occur spontaneously, ...
Earth Sciences
Sep 17, 2020
14
796
An international team of researchers has found evidence that people lived on islands in the Azores archipelago approximately 700 years earlier than prior evidence has shown. In their paper, published in Proceedings of the ...
A new geological record of the Yellowstone supervolcano's last catastrophic eruption is rewriting the story of what happened 630,000 years ago and how it affected Earth's climate. This eruption formed the vast Yellowstone ...
Earth Sciences
Oct 26, 2017
0
682
For decades, scientists have gathered ancient sediment samples from below the seafloor to better understand past climates, plate tectonics and the deep marine ecosystem. In a new study published in Nature Communications, ...
Ecology
Jul 28, 2020
7
4984
The deep-ocean floor is the least explored ecosystem on the planet, despite covering more than 60 percent of the Earth surface. Largely unknown life in abyssal sediments, from benthic animals to microbes, helps to recycle ...
Plants & Animals
Feb 4, 2022
0
775
Glacial cyclicity of the Earth has often been considered on 100,000 year timescales, particularly for the Late Pleistocene (~11,700 to 129,000 years ago) swapping between periods of extensive polar and mountain glacier ice ...
In the rugged province of Xieng Khoaung in upper northern Laos are scattered more than 2,000 large carved stone jars. They vary in size, with the biggest standing at just over 2.5 meters tall and weighing in at 30 tons. The ...
Archaeology
Apr 16, 2021
3
713
Clues from prehistoric droughts and arid periods in California show that today's increasing greenhouse gas levels could lock the state into drought for centuries, according to a study led by UCLA professor Glen MacDonald.
Earth Sciences
Sep 15, 2016
2
353
