Working together with space researchers, Finnish amateur photographers have discovered a new auroral form. Named "dunes" by the hobbyists, the phenomenon is believed to be caused by waves of oxygen atoms glowing due to a ...
Space Exploration
Jan 29, 2020
3
196
Mars is losing water more quickly than theory and observations would suggest. The gradual disappearance of water (H2O) occurs in the upper atmosphere of Mars as sunlight and chemistry disassociate water molecules into hydrogen ...
Space Exploration
Jan 9, 2020
0
16
Scientists have developed a new method for detecting oxygen in exoplanet atmospheres that may accelerate the search for life.
Astronomy
Jan 6, 2020
1
1145
Despite bearing witness to its own increase in Earth's atmosphere by around 2.5 to 2.3 billion years ago, oxygen has had relatively little to say about its own early history until now. A recent EU-funded study provides a ...
Earth Sciences
Nov 1, 2019
0
21
Planets that are even a little like Earth are hard to find. That's why when astronomers like Jennifer G. Winters come across a body that may be solid, rocky, and possibly have its own atmosphere, they get excited. And especially ...
Astronomy
Oct 24, 2019
4
134
The search for sustainable approaches to generating new fuels has brought scientists back to one of the most abundant materials on Earth—reddish iron oxide in the form of hematite, also known as rust.
Materials Science
Oct 21, 2019
1
587
Clues from Canadian rocks formed billions of year ago reveal a previously unknown loss of life even greater than that of the mass extinction of the dinosaurs 65 million years ago, when Earth lost nearly three-quarters of ...
Earth Sciences
Aug 29, 2019
5
1957
The enzyme-nitrogenase-can be traced back to the universal common ancestor of all cells more than four billion years ago.
Earth Sciences
Aug 22, 2019
0
65
Powering a massive biosphere on Earth, photosynthesis is the light-mediated reaction that converts carbon dioxide and water to carbohydrates and oxygen. About 2.3 billion years ago, this reaction led to a dramatic oxygenation ...
Earth Sciences
Jul 12, 2019
19
156
The quest to discover what drove one of the most important evolutionary events in the history of life on Earth has taken a new, fascinating twist.
Earth Sciences
Jun 19, 2019
1
46
