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
NASA detected the shockwave from the underwater eruption high up in the atmosphere.
Environment
Feb 7, 2022
0
245
Today, the colorless and deadly gas cyanide is known as a fast-acting poison and a chemical weapon. Four billion years ago, however, it may have been a harbinger of life. Chemists at Scripps Research have shown for the first ...
Materials Science
Feb 3, 2022
1
779
Ludwig Maximilian University of Munich chemists have shown that organocatalysts go through an evolution and could have played an important role in the emergence of life.
Other
Jan 19, 2022
0
104
Where and how did life begin on Early Earth more than 3.5 billion years ago from non-living chemicals? A key necessity for the first cells on Earth is the ability to make compartments and evolve to facilitate the first chemical ...
Biochemistry
Dec 6, 2021
0
542
It was long assumed that cyanobacteria were mainly responsible for fixing nitrogen on early Earth, thus making nitrogen available to the biosphere. Researchers at the Max Planck Institute for Marine Microbiology in Bremen, ...
Earth Sciences
Aug 6, 2021
0
678
The rise of oxygen levels early in Earth's history paved the way for the spectacular diversity of animal life. But for decades, scientists have struggled to explain the factors that controlled this gradual and stepwise process, ...
Earth Sciences
Aug 2, 2021
3
3045
A team of international researchers, led by the University of Bologna, has discovered the fossilized remains of methane-cycling microbes that lived in a hydrothermal system beneath the seafloor 3.42 billion years ago.
Cell & Microbiology
Jul 14, 2021
4
209
Planets which are tilted on their axis, like Earth, are more capable of evolving complex life. This finding will help scientists refine the search for more advanced life on exoplanets. This NASA-funded research is presented ...
Planetary Sciences
Jul 8, 2021
0
7383
Sunlight traveling through the atmosphere becomes polarized in different ways as it is scattered by water vapor, ice, aerosols created by living organisms, dust, and other particulates.
Space Exploration
Jun 10, 2021
0
3
