Earth's oxygen levels rose and fell more than once hundreds of millions of years before the planetwide success of the Great Oxidation Event about 2.4 billion years ago, new research from the University of Washington shows.
Earth Sciences
Jul 9, 2018
1
169
Global climate change, fueled by skyrocketing levels of atmospheric carbon dioxide, is siphoning oxygen from today's oceans at an alarming pace—so fast that scientists aren't entirely sure how the planet will respond.
Earth Sciences
Jun 11, 2018
6
318
Researchers in the Department of Earth Sciences at Syracuse University have confirmed that rising oceanic and atmospheric oxygen levels co-evolved with marine life hundreds of millions of years ago.
Earth Sciences
May 31, 2018
0
208
Dozens of potentially habitable planets have been discovered outside our solar system, and many more are awaiting detection.
Astronomy
May 9, 2018
8
312
As NASA's James Webb Space Telescope and other new giant telescopes come online they will need novel strategies to look for evidence of life on other planets. A University of Washington study has found a simple approach to ...
Space Exploration
Jan 24, 2018
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749
The evolution of wings not only allowed ancient insects to become the first creatures on Earth to take to the skies, but also propelled their rise to become one of nature's great success stories, according to a new study.
Archaeology
Jan 23, 2018
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160
We and all other animals wouldn't be here today if our planet didn't have a lot of oxygen in its atmosphere and oceans. But how crucial were high oxygen levels to the transition from simple, single-celled life forms to the ...
Earth Sciences
Jan 3, 2018
0
663
Oxygen has provided a breath of fresh air to the study of the Earth's evolution some 400-plus million years ago.
Earth Sciences
Nov 20, 2017
0
467
For researchers pursuing the primordial history of oxygen in Earth's atmosphere, a new study might sour some "Eureka!" moments. A contemporary tool used to trace oxygen by examining ancient rock strata can produce false positives, ...
Earth Sciences
Nov 17, 2017
3
105
(Phys.org)—A team of researchers affiliated with several institutions in Japan, examining data from that country's moon-orbiting Kaguya spacecraft, has found evidence of oxygen from Earth's atmosphere making its way to ...
