Paleontologists agree that a massive asteroid strike triggered the end of the dinosaurs, but a debate has persisted over the reptiles' overall state at the time of the fateful collision.
Paleontology & Fossils
Dec 25, 2022
0
61
More than 215 million years ago, a large amphibian species lived in floodplains in southwestern Poland: Metoposaurus krasiejowensis. On one of these fossils, Polish and American scientists, with the participation of researchers ...
Evolution
Dec 22, 2022
0
326
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
Discoveries at a major new fossil site in Morocco suggest giant arthropods—relatives of modern creatures including shrimps, insects and spiders—dominated the seas 470 million years ago.
Paleontology & Fossils
Dec 13, 2022
0
471
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
0
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
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
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
