Extraterrestrial radioactive isotope found in seabed has implications for Earth's origins
The first-ever discovery of an extraterrestrial radioactive isotope on Earth has scientists rethinking the origins of the elements on our planet.
The first-ever discovery of an extraterrestrial radioactive isotope on Earth has scientists rethinking the origins of the elements on our planet.
Astronomy
May 14, 2021
11
2213
Newly discovered fossil evidence from Namibia strengthens the proposition that the world's first mass extinction was caused by "ecosystem engineers" - newly evolved biological organisms that altered the environment so radically ...
Archaeology
Jul 29, 2016
3
1985
An international team including scientists at the University of St Andrews has unlocked the secret of one of the great events of Earth's evolution – the Cambrian explosion.
Archaeology
Feb 19, 2016
27
1780
On a cool summer morning in 1908, a fireball appeared over northern Siberia. Eyewitnesses described a column of blue light that moved across the sky, followed by a tremendous explosion that leveled trees across more than ...
Space Exploration
May 20, 2020
4
832
Whether you'll be watching fireworks along Boston's Esplanade or somewhere else this Fourth of July, you won't be the only one relaxing this holiday.
Materials Science
Jul 3, 2017
0
36
Astronomers have used NASA's Chandra X-ray Observatory to record material blasting away from the site of an exploded star at speeds faster than 20 million miles per hour. This is about 25,000 times faster than the speed of ...
Astronomy
Aug 19, 2020
35
5845
(Phys.org) —A team of British researchers has published a paper in Proceedings of the National Academy of Sciences refuting claims made by a research team in 2007 suggesting that humans migrated to India as early as 75,000 ...
The submersible Titan that had garnered much of the world's attention for the past week experienced a "catastrophic implosion," according to the U.S. Coast Guard. The tragic result, authorities said, is that the five occupants ...
General Physics
Jun 26, 2023
2
10
As North Korea's president pledges to "denuclearize" the Korean peninsula, an international team of scientists is publishing the most detailed view yet of the site of the country's latest and largest underground nuclear test ...
Earth Sciences
May 10, 2018
0
1814
With the help of special telescopes, researchers have observed a cosmic particle accelerator as never before. Observations made with the gamma ray observatory H.E.S.S. in Namibia show for the first time the course of an acceleration ...
Astronomy
Mar 10, 2022
3
2506