Geologists have found the fossil of the earliest known animal predator. The 560-million-year-old specimen is the first of its kind, but it is related to the group that includes corals, jellyfish and anemones living on the ...
Plants & Animals
Jul 27, 2022
0
884
Yale scientists say Earth's ancient oceans likely were much saltier than they are today—a finding that may spice up our understanding of how life, atmosphere, and climate evolved on the planet.
Earth Sciences
Dec 15, 2021
1
167
The tiny, pale surf clam about the size of a fingernail that most people have seen and collected on beaches around the world holds clues in its shell to Earth's past. For the first time, researchers have been able to identify ...
Earth Sciences
Dec 14, 2021
0
190
Microscopic fossilized shells are helping geologists reconstruct Earth's climate during the Paleocene-Eocene Thermal Maximum (PETM), a period of abrupt global warming and ocean acidification that occurred 56 million years ...
Earth Sciences
Mar 8, 2021
0
94
Oxygen levels in the ancient oceans were surprisingly resilient to climate change, new research suggests.
Environment
Jan 15, 2021
22
140
A new study from scientists at Scripps Institution of Oceanography at UC San Diego and the University of Chicago sheds light on a hotly contested debate in Earth sciences: when did plate subduction begin?
Earth Sciences
Dec 9, 2020
0
633
If you could dive down to the ocean floor nearly 540 million years ago just past the point where waves begin to break, you would find an explosion of life—scores of worm-like animals and other sea creatures tunneling complex ...
Archaeology
Aug 14, 2020
0
338
When scientists want to study Earth's very ancient geological past—typically greater than 100 million years ago—they often turn to rocks called carbonates.
Earth Sciences
Nov 11, 2019
0
58
A new radioactivity model of Earth's ancient rocks calls into question current models for the formation of Earth's continental crust, suggesting continents may have risen out of the sea much earlier than previously thought ...
Earth Sciences
Jul 1, 2019
3
12
Twenty thousand years ago, in the thick of an Ice Age, Earth looked very different. Because water was locked up in glaciers hundreds of feet thick, which stretched down over Chicago and New York City, the ocean was smaller—shorelines ...
Earth Sciences
May 24, 2019
1
2113
