Clam fossils help scientists find errors in evolutionary tree calculations
There are extinctions, and then there's the "Great Dying." That was the Permian-Triassic extinction around 250 million years ago, which wiped out nearly all life on Earth.
There are extinctions, and then there's the "Great Dying." That was the Permian-Triassic extinction around 250 million years ago, which wiped out nearly all life on Earth.
Evolution
Dec 2, 2021
0
1599
A team of scientists has identified an additional force that likely contributed to a mass extinction event 250 million years ago. Its analysis of minerals in southern China indicate that volcano eruptions produced a "volcanic ...
Earth Sciences
Nov 17, 2021
3
562
Human-caused bird extinctions are driving losses of functional diversity on islands worldwide, and the gaps they leave behind are not being filled by introduced (alien) species, finds a new study led by UCL and University ...
Ecology
Nov 10, 2021
0
181
There's been an age-old question going back to Darwin's time about the relationships among the world's five living rhinoceros species. One reason answers have been hard to come by is that most rhinos went extinct before the ...
Plants & Animals
Aug 24, 2021
0
1767
Two hundred fifty-two million years ago, much of life on planet Earth was dying.
Earth Sciences
Aug 2, 2021
11
2742
An Australian mammal thought to have been wiped out over 150 years ago can now be crossed off our list of extinct animals, following a new study.
Plants & Animals
Jun 28, 2021
8
1624
There would be at least four times as many flightless bird species on Earth today if it were not for human influences, finds a study led by UCL researchers.The study, published in Science Advances, finds that flightlessness ...
Evolution
Dec 2, 2020
2
389
In 2015, Stanford biologist Paul Ehrlich coauthored a study declaring the world's sixth mass extinction was underway. Five years later, Ehrlich and colleagues at other institutions have a grim update: the extinction rate ...
Ecology
Jun 1, 2020
8
682
Cassowaries are big flightless birds with blue heads and dinosaur-looking feet; they look like emus that time forgot, and they're objectively terrifying. They're also, along with their ostrich and kiwi cousins, part of the ...
Plants & Animals
May 13, 2020
3
1017
When you were young, were you the type of child who would scour open fields looking for bumble bees? Today, it is much harder for kids to spot them, since bumble bees are drastically declining in North America and in Europe.
Plants & Animals
Feb 6, 2020
22
685