Ancient sea-floor dwellers are providing new clues about how mass extinctions steer life's evolutionary history, according to scientists.
Plants & Animals
Mar 29, 2019
1
127
An often cited claim that humans, who are smarter and more technologically advanced than their ancestors, originated in response to climate change is challenged in a new report by a Center for the Advanced Study of Human ...
Archaeology
Aug 4, 2017
9
921
A paleontologist at the Canadian Museum of Nature is countering decades of studies that assert that some dinosaurs can be identified as male or female based on the shapes and sizes of their bones.
Archaeology
Mar 29, 2017
0
16
During the last Ice Age, Australia, Tasmania and New Guinea formed a single landmass, called Sahul. It was a strange and often hostile place populated by a bizarre cast of giant animals.
Archaeology
Jan 26, 2017
5
338
Studying the physical features of long-extinct creatures continues to yield surprising new knowledge of how evolution fosters traits desirable for survival in diverse environments. Placodonts are a case in point—specifically, ...
Archaeology
Oct 5, 2016
16
1
Scientists from the Universities of Bristol and Málaga have proposed that the long extinct marsupial lion hunted in a very unique way - by using its teeth to hold prey before dispatching them with its huge claws.
Archaeology
Aug 16, 2016
1
45
Sauropod dinosaurs were the largest land-dwelling animals of all time, with highly elongated necks and tails that were held suspended above the ground.
Archaeology
Jul 11, 2016
0
345
In the Mesozoic, the time of the dinosaurs, from 252 to 66 million years ago, marine reptiles such as ichthyosaurs and plesiosaurs were top predators in the oceans. But their origins and early rise to dominance have been ...
Archaeology
May 20, 2016
0
54
Decades of research on Montana's state fossil—the "good mother lizard" Maiasaura peeblesorum - has resulted in the most detailed life history of any dinosaur known and created a model to which all other dinosaurs can be ...
Archaeology
Oct 2, 2015
3
610
The whirling, winged seeds of today's conifers are an engineering wonder and, as University of California, Berkeley, scientists show, a result of about 270 million years of evolution by trees experimenting with the best way ...
Evolution
Mar 17, 2015
1
588
