Curtin University researchers have revealed how the pelvic fins of fish such as sharks and chimeras have evolved from their sudden appearance in the fossil record over 410 million years ago.
Plants & Animals
Dec 13, 2022
0
2
A research project undertaken by the Complutense University of Madrid (UCM) and the Institute of Geoscience (IGEO, CSIC-UCM) identified various marine worms from the Paleozoic era (Ordovician period) 455 million years ago ...
Paleontology & Fossils
Dec 12, 2022
0
55
Yale researchers have identified the oldest-known, definitive members of the lizard crown group that includes all living lizards and their closest extinct relatives.
Evolution
Dec 6, 2022
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437
Pterosaurs, the flying reptiles of the dinosaur era, originated in the Late Triassic (227 million years ago) and became extinct at the end-Cretaceous extinction event (66 million years ago). With wing spans ranging from 1 ...
Paleontology & Fossils
Nov 29, 2022
0
1339
The 1930s Dust Bowl, fueled by overplowing across the Great Plains and associated with record heat and drought, appears to have affected heat extremes far beyond the United States.
Earth Sciences
Nov 29, 2022
2
39
The rise of tetrapods (four-limbed vertebrates) is one of the iconic evolutionary transitions preserved in the fossil record. These animals, which lived about 385 to 320 million years ago during the Devonian and Carboniferous ...
Paleontology & Fossils
Nov 28, 2022
0
148
For millions of years, the Steller's sea cow, a four-ton marine mammal and relative of the manatee, shaped kelp forests along the Pacific coast of North America by eating massive quantities of kelp fronds from the upper canopies, ...
Ecology
Nov 28, 2022
0
271
Fossils of a tiny sea creature that died more than half a billion years ago may compel a science textbook rewrite of how brains evolved.
Paleontology & Fossils
Nov 25, 2022
3
576
An international team of astronomers have turned a new technique onto a group of galaxies and the faint light between them—known as 'intra-group light'—to characterize the stars that dwell there.
Astronomy
Nov 24, 2022
0
233
Ray-finned fish, now the most diverse group of backboned animals, were not as hard hit by a mass extinction event 360 million years ago as scientists previously thought.
Evolution
Nov 17, 2022
0
193
