Fossil fuel formation: Key to atmosphere's oxygen?
For the development of animals, nothing—with the exception of DNA—may be more important than oxygen in the atmosphere.
Earth Sciences
Jan 2, 2017
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Page 14 - News tagged with atmospheric oxygen
Beautiful green 'airglow' spotted by aurora hunters – but what is it?
Amateur astronomers and aurora hunters alike have been reporting a green glow across the UK sky. Easily confused with the aurora borealis, or northern lights, the sightings were of another phenomena called "airglow".
Space Exploration
Nov 7, 2016
0
10
Methane was not the climate savior once imagined for the middle chapter of Earth history
For at least a billion years of the distant past, planet Earth should have been frozen over but wasn't. Scientists thought they knew why, but a new modeling study from the Alternative Earths team of the NASA Astrobiology ...
Earth Sciences
Sep 27, 2016
3
20
Ice core analyses indicates atmospheric oxygen levels have fallen 0.7 percent over the past 800,000 years
(Phys.org)—A small team of researchers with Princeton University has found evidence that suggests that the amount of oxygen in the Earth's atmosphere has dropped by 0.7 percent over the past 800,000 years. In their paper ...
Humble moss helped create our oxygen-rich atmosphere
The evolution of the first land plants including mosses may explain a long-standing mystery of how Earth's atmosphere became enriched with oxygen, according to an international study led by the University of Exeter.
Earth Sciences
Aug 15, 2016
0
34
Before animals, evolution waited eons to inhale
A couple of times in four billion years, evolution has slowed to a crawl. And an eon or so has passed before more complex life forms, such as simple animals, could arise.
Earth Sciences
Jul 25, 2016
2
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Scientists measure the air breathed by Earth's first animals
The discovery of an atmospheric time capsule has allowed scientists to directly measure the air that was breathed by Earth's first animals.
Earth Sciences
Jul 25, 2016
0
31
ChemCam findings hint at oxygen-rich past on Mars
The discovery of manganese oxides in Martian rocks might tell us that the Red Planet was once more Earth-like than previously believed. A new paper in Geophysical Research Letters reveals that NASA's Curiosity rover observed ...
Space Exploration
Jun 27, 2016
3
1063
Study offers new answer to why Earth's atmosphere became oxygenated
Earth scientists from Rice University, Yale University and the University of Tokyo are offering a new answer to the long-standing question of how our planet acquired its oxygenated atmosphere.
Earth Sciences
May 16, 2016
0
1087
Polluted dust can impact ocean life thousands of miles away, study says
As climatologists closely monitor the impact of human activity on the world's oceans, researchers at the Georgia Institute of Technology have found yet another worrying trend impacting the health of the Pacific Ocean.
Earth Sciences
May 16, 2016
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