The Great Lakes have endured a lot the past century, from supersized algae blobs to invasive mussels and bloodsucking sea lamprey that nearly wiped out fish populations.
Earth Sciences
Dec 19, 2022
0
40
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
The fossil remains of algae continuously accumulate in marine sediments, and these can be used to reconstruct past oceanic conditions. Molecular fossils, called lipid biomarkers, are of particular importance for this. They ...
Earth Sciences
Dec 7, 2022
0
29
Scientists have solved a decades-long mystery as to why ancient tetrapods—amphibian-like creatures that lived over 300 million years ago—preserved in one of Ireland's most important fossil sites seemingly had their bones ...
Paleontology & Fossils
Dec 7, 2022
0
391
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
University of California scientists have a new way to demonstrate which neighborhoods returned to pre-pandemic levels of air pollution after COVID restrictions ended.
Environment
Dec 5, 2022
1
24
A former South African quarry is opening a window into an important period in the history of life.
Paleontology & Fossils
Nov 30, 2022
0
281
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
