Ancient bricks inscribed with the names of Mesopotamian kings have yielded important insights into a mysterious anomaly in Earth's magnetic field 3,000 years ago, according to a new study involving University College London ...
Archaeology
Dec 18, 2023
0
9062
Using new analyses, scientists have just found the last two of the five informational units of DNA and RNA that had yet to be discovered in samples from meteorites. While it is unlikely that DNA could be formed in a meteorite, ...
Astrobiology
Apr 26, 2022
6
3791
An enduring question in geology is when Earth's tectonic plates began pushing and pulling in a process that helped the planet evolve and shaped its continents into the ones that exist today. Some researchers theorize it happened ...
Earth Sciences
Apr 22, 2020
4
3963
Ancient rocks from Greenland have shown that the elements necessary for the evolution of life did not come to Earth until very late in the planet's formation—much later than previously thought.
Earth Sciences
Mar 12, 2020
31
1011
https://www.nasa.gov/press-release/goddard/2019/sugars-in-meteorites
Space Exploration
Nov 19, 2019
18
42845
An international team of researchers has found evidence of an ancient meteorite colliding with ground rock on Earth, producing the highest temperature ever recorded on the planet's surface. In their paper published in the ...
Stanford scientists have discovered a surprising source for an organic molecule used as an indicator for life on early Earth.
Biochemistry
Oct 20, 2015
20
1466
A team of scientists, led by the University of Toronto's Barbara Sherwood Lollar, has mapped the location of hydrogen-rich waters found trapped kilometres beneath Earth's surface in rock fractures in Canada, South Africa ...
Earth Sciences
Dec 17, 2014
1
2
Today's atmosphere likely bears little trace of its primordial self: Geochemical evidence suggests that Earth's atmosphere may have been completely obliterated at least twice since its formation more than 4 billion years ...
Space Exploration
Dec 2, 2014
3
0
(Phys.org) —A lot can happen to a rock over the course of two and a half billion years. It can get buried and heated; fluids remove some of its minerals and precipitate others; its chemistry changes. So if you want to use ...
Earth Sciences
Apr 11, 2014
0
0
