The "Great Oxygenation Event" (GOE), the process whereby the Earth's atmosphere was continuously enriched with oxygen, a waste product of photosynthesis, began ~2.43 billion years ago. The source, according to science, was ...
Evolution
Apr 19, 2021
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1537
Alarms about the declining diversity of plants and animals raise a related concern with equally profound implications: Is the variety of microbial life, including viruses, changing too? And if so, in which direction and how ...
Ecology
Apr 19, 2021
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74
Air pollution is one of the biggest environmental problems of our time. According to a new report from the European Environment Agency (EEA), air pollution now contributes to one in eight deaths in Europe. Observations from ...
Environment
Sep 18, 2020
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14
Aviation has been calculated to be 3.5 percent of all human activities that drive climate change, new research shows.
Environment
Sep 3, 2020
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623
University of Alberta graduate student Scott Melnyk made an intriguing fossil find during a graduate level course—and ended up identifying the fossilized tracks of a newly discovered wood-boring organism in a new study.
Archaeology
Sep 2, 2020
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8
When it comes to places with the potential for habitability, Venus isn't usually on that list. The hot, greenhouse-effect-gone-mad neighboring planet with a crushing surface pressure and sulfuric acid clouds certainly isn't ...
Space Exploration
Aug 24, 2020
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117
Carnegie Mellon University researchers working with an international team of scientists have discovered a previously unknown mechanism that allows atmospheric particles to very rapidly form under certain conditions. The research, ...
Earth Sciences
May 13, 2020
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138
Philosopher Nicholas Rescher once wrote, "Scientific discoveries are often made not on the basis of some well-contrived plan of investigation, but through some stroke of sheer luck."
Astronomy
Apr 21, 2020
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771
As the ice sheet covering most of Greenland retreats, Florida State University researchers are studying the newly revealed landscape to understand its role in the carbon cycle.
Environment
Mar 5, 2020
2
358
The fairing of the US Atlas V 411 rocket with ESA's Solar Orbiter spacecraft inside at the Astrotech payload processing facility near Kennedy Space Center in Florida during launch preparations on 21 January 2020.
Space Exploration
Feb 6, 2020
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8
