In times of environmental upheaval, how do communities of organisms respond? When entire species are wiped out, do surviving species move in and take over, or do new species immigrate to fill the gaps?
Evolution
Apr 13, 2023
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75
As a philosopher of science, Alisa Bokulich grapples with weighty questions like, how can scientific models represent a system as complex as the Earth? How can we reconstruct Earth's 4.5-billion-year history using only the ...
Environment
Apr 10, 2023
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60
Long before dinosaurs, Earth was dominated by animals that were in many ways even more incredible.
Earth Sciences
Apr 7, 2023
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995
The history of life on Earth has been punctuated by several mass extinctions, the greatest of these being the Permian-Triassic extinction event, also known as the Great Dying, which occurred 252 million years ago. While scientists ...
Ecology
Feb 24, 2023
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403
About 250 million years ago, the Permian-Triassic mass extinction killed over 80% of the planet's species. In the aftermath, scientists believe that life on Earth was dominated by simple species for up to 10 million years ...
Ecology
Feb 9, 2023
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337
New research has uncovered that pollen preserved in 250 million year old rocks contain compounds that function like sunscreen, these are produced by plants to protect them from harmful ultraviolet (UV-B) radiation. The findings ...
Paleontology & Fossils
Jan 6, 2023
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218
Methane emissions created by volcanic activity burning buried fossil fuel deposits could have played a major role in the global warming that triggered the largest mass extinction event in Earth's history, a new study suggests.
Earth Sciences
Nov 30, 2022
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360
A former South African quarry is opening a window into an important period in the history of life.
Paleontology & Fossils
Nov 30, 2022
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281
Using a remote-controlled submarine, my colleagues and I discovered five new species of black corals living as deep as 2,500 feet (760 meters) below the surface in the Great Barrier Reef and Coral Sea off the coast of Australia.
Plants & Animals
Nov 26, 2022
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32
A decline in the element molybdenum across the planet's oceans preceded a significant extinction event approximately 183 million years ago, new research from Florida State University shows.
Earth Sciences
Nov 22, 2022
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