The concept of deadly mass extinctions wreaking destruction upon Earth's ecosystems millions of years ago is something that has fascinated the public and scientists alike for decades.
According to the International Union for Conservation of Nature (IUCN), 21% of reptile species worldwide were threatened with extinction as of 2022. However, until recently there have been few details of the kinds of threats ...
Three researchers, one with the University of Michigan, the other two with the University of Casablanca, have found a skull and partial skeleton in Morocco that they suggest link together several species of ancient whales. ...
Research published this week in Science offers the clearest picture yet of the reverberating consequences of land mammal declines on food webs over the past 130,000 years.
Evolution
Aug 25, 2022
1
743
Around 13,200 years ago, a roving male mastodon died in a bloody mating-season battle with a rival in what today is northeast Indiana, nearly 100 miles from his home territory, according to the first study to document the ...
Paleontology & Fossils
Jun 13, 2022
0
725
Cobalt sits in the center of the corrin ring of vitamin B12 and the important cobalamins we derive from it. Perhaps surprisingly, only two of our enzymes bother to use these painfully constructed and meticulously channeled ...
The rise and fall of Earth's land surface over the last three million years shaped the evolution of birds and mammals, a new study has found, with new species evolving at higher rates where the land has risen most.
Evolution
Sep 2, 2021
0
137
Western butterfly populations are declining at an estimated rate of 1.6% per year, according to a new report to be published this week in Science. The report looks at more than 450 butterfly species, including the western ...
Ecology
Mar 4, 2021
2
879
New research out of the University of Chicago has found evidence that the lobe-finned fish species Tiktaalik roseae was capable of both biting and suction during feeding, similar to modern-day gars. These results, published ...
Evolution
Feb 1, 2021
1
674
A new study by an international team of environmental scientists in the Brazilian Amazon shows that redesigned conservation projects could deliver big gains for critical freshwater ecosystems—raising hopes for the futures ...
Ecology
Oct 1, 2020
0
72
