Between 2.5 and 4 billion years ago, a time known as the Archean eon, Earth's weather could often be described as cloudy with a chance of asteroid.
Earth Sciences
Oct 21, 2021
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(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 ...
Early Earth was a hot, gaseous, dusty and dynamic planet with an atmosphere and an ocean. Then its surface cooled and stabilized enough for clouds, landmasses and early life to form about four billion years ago, during what's ...
Earth Sciences
Aug 7, 2018
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212
A new study has produced a detailed estimation for when there was enough oxygen in the Earth's atmosphere to support large land-based life, such as dinosaurs and eventually humans.
Earth Sciences
Oct 8, 2018
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40
Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust. But decisive evidence for this phenomenon has proven elusive. New research from a team including ...
Earth Sciences
Apr 24, 2013
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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
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Scientists recreated deep sea conditions from the last ice age and found that the tropical Pacific contained more carbon and less oxygen during that period than previously thought.
Earth Sciences
Oct 18, 2018
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In the quest to understand the potential for life beyond Earth, researchers are widening their search to encompass not only biological markers, but also technological ones. While astrobiologists have long recognized the importance ...
Astrobiology
Jan 2, 2024
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119
The available amount of fossil fuels is limited and their combustion in vehicle motors increases atmospheric carbon dioxide levels. The generation of fuels from biomass as an alternative is on the rise. In the journal Angewandte ...
Materials Science
Jan 10, 2012
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0
Extreme fluctuations in atmospheric oxygen levels corresponded with evolutionary surges and extinctions in animal biodiversity during the Cambrian explosion, finds new study led by UCL and the University of Leeds.
Earth Sciences
May 6, 2019
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