(Phys.org)—The latest work assignment for NASA's long-lived Mars rover Opportunity is a further examination of an area where the robot just completed a walkabout.
Space Exploration
Dec 4, 2012
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(Phys.org) —Earthquakes that last minutes rather than seconds are a relatively recent discovery, according to an international team of seismologists. Researchers have been aware of these slow earthquakes, only for the past ...
Earth Sciences
May 20, 2013
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(PhysOrg.com) -- Scratching around in the kitty tray could soon be a greener experience for cats in the UK and world-wide, thanks to a new type of low-cost cat litter developed by researchers at Imperial College London, in ...
Materials Science
Jun 6, 2011
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Sandia National Laboratories is developing computer models that show how radioactive waste interacts with soil and sediments, shedding light on waste disposal and how to keep contamination away from drinking water.
Computer Sciences
Jan 28, 2014
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For ice, so-called 'surface melting' was postulated as early as the 19th century by Michael Faraday: Already below the actual melting point, i.e. 0 °C, a thin liquid film forms on the free surface because of the interface ...
General Physics
Mar 9, 2021
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Ancient, expansive tracts of continental crust called cratons have helped keep Earth's continents stable for billions of years, even as landmasses shift, mountains rise and oceans form. A new mechanism proposed by Penn State ...
Earth Sciences
May 8, 2024
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15
The discovery and use of clays dates back to 30,000 years ago, making clays one of the oldest materials used in society. Clays are naturally occurring materials that were first used to make pottery and are now used abundantly ...
Materials Science
May 21, 2021
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12
When Guiseppe Piazzi reported his observations of a minor planet in 1801, he originally thought it might be a comet. But follow-up observations by fellow astronomers suggested that Ceres was actually an asteroid. So it's ...
Space Exploration
Dec 10, 2015
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(Phys.org)—Ancient Mars, like Earth today, was a diverse planet shaped by many different geologic processes. So when scientists, using rovers or orbiting spacecraft, detect a particular mineral there, they must often consider ...
Space Exploration
Sep 12, 2012
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Today Mars has only a thin atmosphere, and its surface is very dry with the possible exception of some localised and temporary water seeps. However, ancient eroded valley networks that were discovered by orbiting spacecraft ...
Space Exploration
Dec 7, 2017
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