The first ever evidence of a comet entering Earth's atmosphere and exploding, raining down a shock wave of fire which obliterated every life form in its path, has been discovered by a team of South African scientists and ...
Space Exploration
Oct 8, 2013
17
0
The atomic bombing of Hiroshima, Japan, by the United States in August 1945 was not only devastating at the time, resulting in the deaths of hundreds of thousands of people, but it has had long-standing impacts to the present ...
In findings published overnight in science journal Earth and Planetary Science Letters, a sample collected during the 1971 Apollo 14 lunar mission was found to contain traces of minerals with a chemical composition common ...
Space Exploration
Jan 25, 2019
14
2055
Scientists have identified patterns in the Earth's magnetic field that evolve on the order of 1,000 years, providing new insight into how the field works and adding a measure of predictability to changes in the field not ...
Earth Sciences
Jul 7, 2017
3
552
About 20,000 years ago, large ice sheets loomed over North America, and researchers thought the ice, itself, pushed storms south, drenching the Southwest and leaving the Pacific Northwest dry. Now, a new CIRES-led study finds ...
Earth Sciences
Nov 15, 2021
1
427
As recently as 5,000 years ago, the Sahara—today a vast desert in northern Africa, spanning more than 3.5 million square miles—was a verdant landscape, with sprawling vegetation and numerous lakes. Ancient cave paintings ...
Earth Sciences
Apr 5, 2013
171
0
NASA's Curiosity rover has found evidence that chemistry in the surface material on Mars contributed dynamically to the makeup of its atmosphere over time. It's another clue that the history of the Red Planet's atmosphere ...
Space Exploration
Sep 30, 2016
0
1157
An emerging scientific consensus is that gases—in particular carbon gases–released by volcanic eruptions millions of years ago contributed to some of Earth's greatest mass extinctions. But new research at The City College ...
Earth Sciences
Feb 10, 2020
1
795
Mercury is small, fast and close to the sun, making the rocky world challenging to visit. Only one probe has ever orbited the planet and collected enough data to tell scientists about the chemistry and landscape of Mercury's ...
Space Exploration
Apr 27, 2018
3
241
Lead researcher Dr. Milo Barham, from the Timescales of Mineral Systems Group within Curtin's School of Earth and Planetary Sciences, said the team devised a metric, which determines the "age distribution fingerprint" of ...
Earth Sciences
Mar 1, 2022
0
1028
