An 18-member international team of researchers that includes James Kennett, professor of earth science at UC Santa Barbara, has discovered melt-glass material in a thin layer of sedimentary rock in Pennsylvania, South Carolina, ...
Earth Sciences
Jun 11, 2012
21
1
(PhysOrg.com) -- University of Maine volcanologist Andrei Kurbatov and glaciologist Paul Mayewski, along with 21 other scientists, coauthored a scientific paper released late last month that details the discovery of a layer ...
Earth Sciences
Sep 8, 2010
12
0
(Phys.org) —A fireball that appeared over the Sri Lankan province of Polonnaruwa on December 29, 2012 was a meteorite containing algae fossils, according to a paper published in the Journal of Cosmology. A team of researchers, ...
(PhysOrg.com) -- New research challenges the controversial theory that the impact of an ancient comet devastated the Clovis people, one of the earliest known cultures to inhabit North America.
Archaeology
Sep 29, 2010
7
1
(Phys.org)—Did a massive comet explode over Canada 12,900 years ago, wiping out both beast and man in North America and propelling the earth back into an ice age?
Archaeology
Sep 18, 2012
2
0
A multi-institutional team of geoscientists, geologists and mineralogists has found what they believe to be the site of the crater formed from the Bolaven extraterrestrial impact. In their paper published in Proceedings of ...
(Phys.org) -- Evidence used to support a possible extraterrestrial impact event is likely the result of natural processes, according to a new collaborative study led by U.S. Geological Survey scientists.
Earth Sciences
Apr 23, 2012
3
0
What if impact craters, long seen as harbingers of death, turned out to be the cradle of life?
Astrobiology
Sep 2, 2020
1
134
I think all craters are cool, I'm just going to start with that. I am very biased.
Planetary Sciences
Jan 26, 2023
1
13
(Phys.org) —A team of researchers with members from several universities in the U.S. has published a paper in the journal Proceedings of the National Academy of Sciences, claiming that evidence supporting the notion that ...
