Around 260 million years, the Earth was dominated by mammal like reptiles called therapsids. The largest of these therapsids were the dinocephalians, a genus composed of several herbivorous and carnivorous species.
Earth Sciences
Apr 25, 2018
0
17
One of the key effects of the end-Permian mass extinction, 252 million years ago, was rapid heating of tropical waters and atmospheres.
Earth Sciences
Jan 9, 2018
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492
Black rhinos, red wolves, whooping cranes: the global list of endangered species grows every year to the point where some researchers say we're witnessing the start of Earth's next mass extinction.
Earth Sciences
Nov 10, 2017
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38
You have probably never seen a great crested newt. If you're in the UK, you'll usually only hear about them when construction work is halted because they are found at a building site. In the past month alone, relocating these ...
Ecology
Sep 22, 2017
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5
Throughout the history of life, new groups of species have flourished at the expense of earlier ones and global biodiversity has varied dramatically over geologic time. A new study led by the University of Turku, Finland, ...
Evolution
Jul 7, 2017
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15
Researchers have long assumed that habitat fragmentation contributes to extinction risk for animals, but until now, they have not been able to measure it for a major group of animals on a global scale. In a first-of-its-kind ...
Ecology
Jul 3, 2017
2
143
Anyone concerned by the idea that people might try to combat global warming by injecting tons of sulfate aerosols into Earth's atmosphere may want to read an article in the May 1, 2017 issue of the journal Geology.
Earth Sciences
May 30, 2017
2
292
The first ever global database of trees on Wednesday revealed that 9,600 tree species are threatened with extinction and identified a total of 60,065 in existence.
Environment
Apr 5, 2017
1
583
Extreme global warming caused a severe mass extinction of life on Earth 252 million years ago. It took life up to 9 million years to recover. New study finds clues in the Arctic as to why this recovery took so long.
Earth Sciences
Aug 24, 2016
0
34
Sixty six million years ago, the dinosaurs suddenly disappeared, along with most of the species on the planet. The extinction occurred at precisely the same time that a giant asteroid struck the Earth. The fact that the two ...
Earth Sciences
Jul 15, 2016
28
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