Beavers reshape landscapes with their dams. Wolves control elk populations. Sea otters protect kelp forests by eating sea urchins. These are what ecologists call "keystone" species: critters that control an ecosystem and ...
Ecology
Sep 12, 2013
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A Washington State University astrobiologist is leading a group of 20 scientists in calling for a mission to Mars with "a strong and comprehensive life detection component." At the heart of their proposal is a small fleet ...
Space Exploration
Apr 23, 2012
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Increased levels of greenhouse gases, particularly carbon dioxide (CO2), have been associated with the burning of fossil fuels, deforestation, cultivation of grasslands, drainage of the land, and land use changes. Concerns ...
Environment
Feb 1, 2013
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After years of hard work and seven minutes of terror, workers of NASA's Jet Propulsion Laboratory here let out their tears of joy.
Space Exploration
Aug 6, 2012
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Spooky spectral swirls of last season's sea ice drift in currents off the coast of eastern Greenland in this image from NASA's Aqua satellite, acquired on October 17. Although sea ice in the Arctic will start forming again ...
Earth Sciences
Oct 29, 2012
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Over the past 25 years, the Northeast has experienced the largest increase in extreme precipitation nationally. Prior research has shown that the amount of extreme precipitation— rain or snow that results in one- to two ...
Earth Sciences
Apr 17, 2023
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(PhysOrg.com) -- Assumptions over the rate at which soil bacteria will break down carbon in the face of global warming must be re-addressed, according to some of the world’s leading experts.
Environment
Oct 5, 2011
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The United States has failed to commit to plans for an unmanned joint Mars mission with the European space agency, causing frustration abroad, top NASA officials told lawmakers on Tuesday.
Space Exploration
Nov 15, 2011
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(PhysOrg.com) -- Warmer weather across northern New York could present an opportunity for farmers: soybeans.
Ecology
Feb 16, 2012
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Two Oregon State University researchers have discovered a microscopic soil-dwelling nematode on the Corvallis campus that could be an important tool against invasive slugs that cause billions of dollars a year in agricultural ...
Plants & Animals
Nov 17, 2020
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