An international team of astronomers has conducted optical and near-infrared observations of a rare Type Icn supernova known as SN 2022ann. The results of the study, published November 9 on the preprint server arXiv, shed ...
The contents of the last meal consumed by the earliest animals known to inhabit Earth more than 550 million years ago has unearthed new clues about the physiology of our earliest animal ancestors, according to scientists ...
Evolution
Nov 22, 2022
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674
The largest volcanic eruption of the 21st century so far happened last winter, off the coast of the island nation of Tonga. Louisiana State University Department of Oceanography & Coastal Sciences Professor Chunyan Li captured ...
Environment
Nov 17, 2022
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An exceptionally well-preserved collection of fossils discovered in eastern Yunnan Province, China, has enabled scientists to solve a centuries-old riddle in the evolution of life on earth, revealing what the first animals ...
Evolution
Nov 1, 2022
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645
When a star explodes (a supernova), it sends its intense burst of light out in all directions. On rare occasions, in the months and years that follow, rings of light or "light echoes" spread out from the original supernova ...
Astronomy
Oct 28, 2022
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574
Last year, forests across southern Québec and Ontario and much of New England turned eerily leafless. The air hummed with the sound of munching mandibles and tree trunks were covered with a writhing carpet of caterpillars, ...
Plants & Animals
Oct 24, 2022
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7
In the blockbuster fantasy series The Lord of the Rings: The Rings of Power, one of the principal antagonists, the wicked Adar, diverted a river into the labyrinth of tunnels under a dormant Mount Doom to trigger an explosive ...
Earth Sciences
Oct 18, 2022
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82
Using NASA's Chandra X-ray observatory, astronomers have carried out an X-ray proper motion study of a supernova remnant known as SNR 0509-67.5. Results of the research, published October 5 on arXiv.org, yield essential information ...
Astronomers around the world are captivated by an unusually bright and long-lasting pulse of high-energy radiation that swept over Earth on Sunday, Oct. 9. The emission came from a gamma-ray burst (GRB)—the most powerful ...
Astronomy
Oct 13, 2022
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Tactical nuclear weapons have burst onto the international stage as Russian President Vladimir Putin, facing battlefield losses in eastern Ukraine, has threatened that Russia will "make use of all weapon systems available ...
Political science
Sep 29, 2022
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