Mass extinctions of land-dwelling animals—including amphibians, reptiles, mammals, and birds—follow a cycle of about 27 million years, coinciding with previously reported mass extinctions of ocean life, according to a ...
Ecology
Dec 11, 2020
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Greenland and Antarctica are shedding six times more ice than during the 1990s, driving sea level rise that could see annual flooding by 2100 in regions home today to some 400 million people, scientists have warned.
Earth Sciences
Mar 12, 2020
50
2296
An international team of researchers has found evidence that mercury from volcanic eruptions played a role in the end-Triassic mass extinction. In their paper published in the journal Science Advances, the researchers describe ...
When an asteroid smacked into the Earth 66 million years ago, it triggered mass extinctions all over the planet. The most famous victims were the dinosaurs, but early birds, insects, and other life forms took a hit too. The ...
Evolution
Jun 28, 2019
2
3
(Phys.org)—A pair of researchers with the University of Maine and Columbia University has conducted a study of the past to make predictions about rainfall patterns in coming years. In their paper published in the journal ...
A rare fossil from eastern North America of a dog-sized horned dinosaur has been identified by Dr Nick Longrich. The fossil provides evidence of an east-west divide in North American dinosaur evolution.
Archaeology
Nov 30, 2015
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257
(Phys.org) —A collaborative research team has discovered an important link between the eruption of Earth's hottest lavas, the location of some of the largest ore deposits and the emergence of the first land masses on the ...
Earth Sciences
Jun 24, 2014
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0
The results of research conducted by professors at UC Santa Barbara and colleagues mark the beginning of a new paradigm for our understanding of the history of Earth's great global ice sheets. The research shows that, contrary ...
Earth Sciences
Sep 4, 2013
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1
A 350-million-year-old fossilised scorpion discovered in South Africa is the oldest known land animal to have lived on Gondwana, part of Earth's former supercontinent, a university said Monday.
Archaeology
Sep 2, 2013
2
1
The first new dinosaur named from Madagascar in nearly a decade, Dahalokely tokana was a carnivore measuring 9-14 feet long. Its fossils were found in 90-million-year-old rocks of northernmost Madagascar, from the time when ...
Archaeology
Apr 18, 2013
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