(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 ...
An increase in human-made carbon dioxide in the atmosphere could initiate a chain reaction between plants and microorganisms that would unsettle one of the largest carbon reservoirs on the planet—soil.
Environment
Dec 23, 2014
24
0
New data gathered by the Mars Curiosity rover indicates a potential history of hydrothermal activity at Gale Crater on the red planet, broadening the variety of habitable conditions once present there, scientists report in ...
Space Exploration
Aug 25, 2017
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500
Thawing permafrost in high-altitude mountain ecosystems may be a stealthy, underexplored contributor to atmospheric carbon dioxide emissions, new University of Colorado Boulder research shows.
Environment
Mar 21, 2019
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4180
(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), ...
(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
0
0
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
18
134
Each year, humans across the globe produce billions of tons of solid waste. Roughly 70% of this refuse ends up deposited in landfills, where it slowly decays. Yet, what may seem an inert accumulation of useless debris, is ...
Ecology
Apr 15, 2022
1
151
For the first time scientists have directly observed living bacteria in polar ice and snow - an environment once considered sterile. The new evidence has the potential to alter perceptions about which planets in the universe ...
Ecology
Dec 20, 2017
0
343
The supply of dissolved iron to oceans around continental shelves has been found to be more variable by region than previously believed – with implications for future climate prediction.
Earth Sciences
Jul 19, 2013
22
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