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May 19, 2021 —The Paleozoic era culminated 251.9 million years ago in the most severe mass extinction recorded in the geologic record. Known as the 'great dying,' this event saw the loss of up to 96% of ...
June 18, 2021 —Geologic activity on Earth appears to follow a 27.5-million-year cycle, giving the planet a 'pulse,' according to a new ...
Feb. 1, 2021 —Geologists have produced a new timeline of Earth's Paleozoic climate changes. The record shows ancient temperature variations coinciding with shifts in planet's ...
Apr. 15, 2021 —In order to get a sense of what our future may hold, scientists have been looking to the deep past. Now, new research from the University of Massachusetts Amherst, which combines climate, ice sheet ...
Nov. 18, 2020 —Some, if not all, early sharks that lived 300 to 400 million years ago not only dropped their lower jaws downward but rotated them outwards when opening their mouths. This enabled them to make the ...
May 2, 2022 —Geophysicists have developed a method that allows them to investigate the composition of the Earth with better ...
July 8, 2021 —Expeditions to a remote area of Yukon, Canada, have uncovered a 120-million-year-long geological record of a time when land plants and complex animals first evolved and ocean oxygen levels began to ...
Jan. 14, 2021 —Researchers probe deep secrets of trapped inclusions in garnet sand from Papua New ...
Nov. 16, 2022 —A new study confirms that the planet harbors a 'stabilizing feedback' mechanism that acts over hundreds of thousands of years to keep global temperatures within a steady, habitable ...
Aug. 23, 2021 —At certain sites in the Grand Canyon, more than one billion years' worth of rocks have gone missing from the geologic record. Scientists are trying to figure out ...
