Pangaea was the name Alfred Wegener gave to the supercontinent that existed on Earth 250 million years ago. Over the course of many millions of years, this supercontinent broke into different pieces, which became the landmasses ...
Earth Sciences
Feb 14, 2023
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29
When scientists discovered a hydrothermal vent site in the Arctic Ocean's Aurora hydrothermal system in 2014, they did not immediately realize just how exciting their discovery was.
Earth Sciences
Nov 2, 2022
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486
In Oman, on the Persian Gulf, there is a large slab of ancient seafloor—including ultramafic rocks from Earth's upper mantle—called the Samail Ophiolite. These unique rocks not only provide valuable information about ...
Earth Sciences
Apr 27, 2022
0
385
About 2.4 billion years ago, Earth's atmosphere underwent what is called the Great Oxidation Event (GOE). Prior to the GOE, early Earth had far less molecular oxygen than we have today. After the GOE, molecular oxygen began ...
Earth Sciences
Jan 19, 2022
1
418
For hundreds of millions of years, Earth's climate has remained on a fairly even keel, with some dramatic exceptions: Around 80 million years ago, the planet's temperature plummeted, along with carbon dioxide levels in the ...
Earth Sciences
Apr 19, 2016
23
114
An abandoned mineral mine near Stanford University is providing geoscientists new insights on how to permanently entomb greenhouse gas emissions in the Earth.
Earth Sciences
Dec 6, 2013
2
1
The climate change crisis has resulted in an emphasis on the role of broad-scale climate in controlling species distributions. A key metric for predicting the impacts of climate change on species and ecosystems is the local ...
Evolution
Feb 17, 2020
0
12
Roy Price first heard about the hydrothermal vents in New Caledonia's Bay of Prony a decade ago. Being a scuba diver and a geologist, he was fascinated by the pictures of a 38-meter-high calcite "chimney" that had precipitated ...
Earth Sciences
Jun 16, 2014
0
0
