A recently released set of topography maps provides new evidence for an ancient northern ocean on Mars. The maps offer the strongest case yet that the planet once experienced sea-level rise consistent with an extended warm ...
Astrobiology
Oct 27, 2022
125
662
(PhysOrg.com) -- The enduringly popular theory that the Chicxulub crater holds the clue to the demise of the dinosaurs, along with some 65 percent of all species 65 million years ago, is challenged in a paper to be published ...
Earth Sciences
Apr 27, 2009
14
5
(PhysOrg.com) -- New scientific findings by geologist Robert Gastaldo of Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's history.
Earth Sciences
Mar 2, 2009
3
1
Humans moved into the Andes about 15,000 years ago and their introduction of regular fire to the landscape created a new ecosystem, research published in Nature Communications finds.
Ecology
Nov 16, 2023
0
209
A chance find of an unstudied Antarctic sediment core has led University of Otago researchers to flip our understanding of how often ice ages occurred in Antarctica.
Earth Sciences
Dec 6, 2022
2
25
Researcher and GRS Radioisotopes technician Jorge Rivera, from the University of Seville, has participated in an incredible discovery that is unique in Europe. After applying an optically-stimulated luminescence technique ...
Archaeology
Nov 10, 2022
1
1962
Curtin University researchers studying molecular fossils or "biomarkers" from deep beneath the Chicxulub impact crater have found evidence of how microorganisms changed in response to fluctuations in the Earth's climate, ...
Earth Sciences
Oct 21, 2022
0
46
A new focus article in the May issue of Geology summarizes research on plastic waste in marine and sedimentary environments. Authors I.A. Kane of the Univ. of Manchester and A. Fildani of the Deep Time Institute write that ...
Earth Sciences
May 4, 2021
4
615
Ancient clusters of rock that preserve some of the oldest microbes on Earth occasionally possess mysterious branch-like formations. Now, scientists think they know what might have caused this enigmatic branching—changes ...
Earth Sciences
Mar 14, 2016
0
60
How was human evolution and migration influenced by past changes in climate?
Earth Sciences
Feb 26, 2015
0
113
