Evidence of earliest life on Earth disputed
When Australian scientists presented evidence in 2016 of life on Earth 3.7 billon years ago—pushing the record back 220 million years—it was a big deal, influencing even the search for life on Mars.
When Australian scientists presented evidence in 2016 of life on Earth 3.7 billon years ago—pushing the record back 220 million years—it was a big deal, influencing even the search for life on Mars.
Earth Sciences
Oct 17, 2018
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Good communication is crucial to any relationship, especially when partners are separated by distance. This also holds true for microbes in the deep sea that need to work together to consume large amounts of methane released ...
Cell & Microbiology
Sep 18, 2015
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(Phys.org)—There is evidence that some microbial life had migrated from the Earth's oceans to land by 2.75 billion years ago, though many scientists believe such land-based life was limited because the ozone layer that ...
Earth Sciences
Sep 24, 2012
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In so many ways, Don Juan Pond in the Dry Valleys of Antarctica is one of the most unearthly places on the planet. An ankle-deep mirror between mountain peaks and rubbled moraine, the pond is an astonishing 18 times saltier ...
Earth Sciences
Apr 25, 2010
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(PhysOrg.com) -- A lake of natural hot liquid asphalt in Trinidad and Tobago has been found to be teeming with microbes despite the toxic environment. The lake, aptly named Pitch Lake (since pitch is the old name for tar), ...
(PhysOrg.com) -- Eventually, the day will come when life on Earth ends. Whether that’s tomorrow or five billion years from now, whether by nuclear war, climate change, or the Sun burning up its fuel, the last living cell ...
Warmer soils harbor a greater diversity of active microbes, according to a new study from researchers at the Centre for Microbiology and Environmental Systems Science (CeMESS) at the University of Vienna.
Earth Sciences
Feb 23, 2024
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Wetlands are Earth's largest natural source of methane, a potent greenhouse gas that is about 30 times more powerful than carbon dioxide at warming the atmosphere. A research team from the Department of Energy's Lawrence ...
Earth Sciences
Feb 15, 2024
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A species of bacteria that lived 407 million years ago would have flourished among early land plants.
Evolution
Sep 11, 2023
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"Forever chemicals" are everywhere—water, soil, crops, animals, the blood of 97% of Americans—researchers from Drexel University's College of Engineering are trying to figure out how they got there. Their recent findings ...
Environment
Feb 15, 2023
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103