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
Up to 216 Australian birds are now threatened—compared with 195 a decade ago—and climate change is now the main driver pushing threatened birds closer to extinction, landmark new research has found.
Plants & Animals
Dec 1, 2021
0
4
A NASA spacecraft the size of a golf cart has been directed to smash into an asteroid, with the intention of knocking it slightly off course. The test aims to demonstrate our technological readiness in case an actual asteroid ...
Space Exploration
Nov 26, 2021
1
126
Global change is eroding life on earth at an unprecedented rate and scale. Species extinctions have accelerated over the last decades, with the concomitant loss of the functions and services they provide to human societies.
Ecology
Nov 18, 2021
0
7
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
New research shows that humans had a significant role in the extinction of wooly mammoths in Eurasia, occurring thousands of years later than previously thought.
Ecology
Nov 11, 2021
4
271
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
The end-Permian mass extinction (EPME) led to a severe terrestrial ecosystem collapse. Insects have diversified over the past approximately 400 million years and account for roughly half of the biodiversity on Earth today. ...
Ecology
Nov 10, 2021
0
482
We all know that the dinosaurs died in a mass extinction. But did you know that there were other mass extinctions? There are five most significant mass extinctions, known as the "big five," where at least three-quarters of ...
Earth Sciences
Nov 1, 2021
0
314
Scientists attempting to bring back the near-extinct northern white rhinoceros announced Thursday they would stop harvesting eggs from one of two remaining live specimens involved in an unprecedented breeding programme.
Plants & Animals
Oct 21, 2021
0
821