A University of Wyoming researcher contributed to a paper that determined a "Snowball Earth" event actually took place 100 million years earlier than previously projected, and a rise in the planet's oxidation resulted from ...
Earth Sciences
Feb 6, 2017
0
478
A low level of atmospheric oxygen in Earth's middle ages held back evolution for 2 billion years, raising fresh questions about the origins of life on this planet.
Earth Sciences
Feb 2, 2017
16
1295
(Phys.org)—A small team of researchers in the U.S. has found evidence in rock samples that suggests that oxygen levels during the Lomagundi Event were high enough to support the advancement of life on Earth. In their paper ...
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
13
718
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
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
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
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
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
Using the oldest fossil micrometeorites - space dust - ever found, Monash University-led research has made a surprising discovery about the chemistry of Earth's atmosphere 2.7 billion years ago.
Earth Sciences
May 11, 2016
1
51
