Many mammals and birds are remarkable athletes; mice work hard to dig burrows for protection and sparrows fight gravity with each flap of their wings. In order to have the energy to sustain vigorous exercise, the body's tissues ...
Paleontology & Fossils
Dec 22, 2016
0
430
(Phys.org)—A team of researchers from the U.K. and the U.S. has mapped the biggest dinosaur tree yet, and in so doing, has found that the creatures may have evolved 20 million years earlier than most in the field have thought. ...
Ancient feeding marks from hungry insects in South American leaf fossils are shedding new light on the mass extinction that wiped out the dinosaurs.
Archaeology
Nov 7, 2016
0
38
Humans risk causing a mass extinction of large sea creatures on a scale never before seen because of overfishing, scientists warned this week.
Ecology
Sep 15, 2016
0
33
In the Earth's oceans these days, the bigger a species is, the more prone it is to die off. That's unheard of in the long history of mass extinctions, a new study finds.
Ecology
Sep 14, 2016
2
17
Scientists have shed light on why life on Earth took millions of years to recover from the greatest mass extinction of all time.
Earth Sciences
Jul 19, 2016
1
75
A new study of nearly 22,000 fossils finds that ancient plankton communities began changing in important ways as much as 400,000 years before massive die-offs ensued during the first of Earth's five great extinctions.
Earth Sciences
Jul 19, 2016
0
17
There have been several mass extinctions in the history of the earth with adverse consequences for the environment. Researchers from the University of Zurich have now uncovered another disaster that took place around 250 ...
Earth Sciences
Jun 28, 2016
0
81
A study of more than 6,000 marine fossils from the Antarctic shows that the mass extinction event that killed the dinosaurs was sudden and just as deadly to life in the polar regions.
Paleontology & Fossils
May 26, 2016
7
150
Two hundred and fifty million years ago, life on earth was in a tail-spin—climate change, volcanic eruptions, and rising sea levels contributed to a mass extinction that makes the death of the dinosaurs look like child's ...
Archaeology
May 23, 2016
29
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