A new study of an old meteorite contradicts current thinking about how rocky planets like the Earth and Mars acquire volatile elements such as hydrogen, carbon, oxygen, nitrogen and noble gases as they form. The work is published ...
Planetary Sciences
Jun 16, 2022
1
1288
Planetary scientists estimate that each year, about 500 meteorites survive the fiery trip through Earth's atmosphere and fall to our planet's surface. Most are quite small, and less than 2% of them are ever recovered. While ...
Space Exploration
Jul 9, 2021
0
207
(Phys.org) —A paper on Arxiv presents a detailed look at the properties of carbyne, stronger than graphene and diamond, a true supermaterial. The paper is titled, "Carbyne from first principles: Chain of C atoms, a nanorod ...
The meteor that exploded over Chelyabinsk, Russia in February 2013 was "a wake-up call," according to a University of California, Davis scientist who participated in analyzing the event. The work is published November 7, ...
Space Exploration
Nov 6, 2013
0
0
(PhysOrg.com) -- In 1996, when scientists examined a meteorite from Mars previously uncovered in Antarctica, they were intrigued by what looked like microscopic fossils of ancient Martian life forms. Now, using new technology ...
A combined team of researchers from Japan and Egypt has found evidence that suggests a dagger found in King Tut's tomb had origins outside of Egypt. In their paper published in the journal Meteoritics & Planetary Science, ...
A NASA scientist's claim that he found tiny fossils of alien life in the remnants of a meteorite has stirred both excitement and skepticism, and is being closely reviewed by 100 experts.
Space Exploration
Mar 6, 2011
85
0
Here's something we don't see very often: an Earth-grazing meteoroid.
Astronomy
Sep 29, 2020
2
1742
An international study led by researchers at Macquarie University has uncovered the ways in which giant meteorite impacts may have helped to kick-start our planet's global tectonic processes and magnetic field. The study, ...
Earth Sciences
Sep 26, 2017
21
1216
(PhysOrg.com) -- A pristine meteorite impact crater has been found in a remote area of the Sahara desert in southwest Egypt. The crater was originally noticed on Google Earth images, and is believed to be only a few thousand ...
