A newly discovered comet could be visible to the naked eye as it shoots past Earth and the Sun in the coming weeks for the first time in 50,000 years, astronomers have said.
Space Exploration
Jan 7, 2023
1
2386
The discovery, published today in the Proceedings of the Royal Society B, radically changes scientists' understanding of how seal species evolved around the world.
Archaeology
Nov 10, 2020
4
2214
The mass extinction at the end of the Permian Period 252 million years ago—one of the great turnovers of life on Earth—appears to have played out differently and at different times on land and in the sea, according to ...
Archaeology
Mar 26, 2020
6
2737
Just as caged canaries once warned coal miners of the risk of carbon monoxide poisoning, free-flying seabirds are now warning humanity about the deteriorating health of our oceans.
Plants & Animals
May 28, 2021
0
22
Without efforts to mitigate climate change, summers spanning nearly six months may become the new normal by 2100 in the Northern Hemisphere, according to a new study. The change would likely have far-reaching impacts on agriculture, ...
Earth Sciences
Mar 8, 2021
28
2007
Some animals, such as birds, dolphins, and whales, can engage in unihemispheric sleep, in which one hemisphere of the brain sleeps while the other hemisphere remains awake. Staying half-awake allows animals to literally "keep ...
Chemicals that deplete Earth's protective ozone layer have also been triggering changes in Southern Hemisphere atmospheric circulation. Now, new research in Nature finds that those changes have paused and might even be reversing ...
Earth Sciences
Mar 25, 2020
16
833
When UC Santa Barbara geology professor emeritus James Kennett and colleagues set out years ago to examine signs of a major cosmic impact that occurred toward the end of the Pleistocene epoch, little did they know just how ...
Earth Sciences
Mar 13, 2019
8
1482
Several years ago, while analyzing ice core samples from Antarctica's James Ross Island, scientists Joe McConnell, Ph.D., and Nathan Chellman, Ph.D., from DRI, and Robert Mulvaney, Ph.D., from the British Antarctic Survey ...
Earth Sciences
Oct 6, 2021
0
416
Researchers have uncovered the first baby dinosaurs from Australia. The bones were discovered at several sites along the south coast of Victoria and near the outback town of Lightning Ridge in New South Wales. Some of the ...
Archaeology
Dec 19, 2019
0
1949
