Signs of 'spider' phenomenon on Mars
ESA's Mars Express has snapped the telltale traces of "spiders" scattered across the southern polar region of Mars.
ESA's Mars Express has snapped the telltale traces of "spiders" scattered across the southern polar region of Mars.
Planetary Sciences
Apr 24, 2024
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When we take a stroll on the beach, we walk on the sand without any trouble. The sand appears solid and is difficult to compress. When we put the same sand grains in an hourglass, they behave very differently: the sand flows ...
General Physics
Apr 3, 2024
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From eye level, the wisps of green emerging from sand dunes up and down Pinellas County's barrier islands look sparse, stubby, almost tentative as they peek at the sun. Below the surface, though, they are spreading out, trapping ...
Plants & Animals
Mar 25, 2024
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Sand ripples are fascinating. They are symmetrical, yet wind, which causes them, is very much not. Furthermore, they can be found on Mars and on Earth. It would be even more fascinating if the same effect found on Mars could ...
Planetary Sciences
Mar 12, 2024
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On Jan. 16, 2020, the Mars Reconnaissance Orbiter (MRO) captured this image of two types of sand dunes on Mars: barchan and linear dunes.
Planetary Sciences
Mar 11, 2024
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With its emerald green waters and white sands, the small town of Mejillones in northern Chile looks deceptively like a typical seaside resort.
Environment
Feb 12, 2024
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Swedish astronaut Marcus Wandt took control of a series of robots in Germany while on board the International Space Station, zipping around the Earth at 28,000 kilometers per hour (17,500 mph.) Researchers want to understand ...
Space Exploration
Feb 5, 2024
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Scientists from Tokyo Metropolitan University have been studying the strength and toughness of sand columns made of a mixture of sticky and non-sticky grains. They have uncovered the mechanism behind how the strength changes ...
Analytical Chemistry
Jan 29, 2024
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An international team of chemical and environmental engineers has found that oil sands operations in Canada are emitting significantly more pollutants into the air than previously thought. In their study, reported in the ...
Of all the organisms that photosynthesize, land plants have the most complex bodies. How did this morphology emerge? A team of scientists led by the University of Göttingen has taken a deep dive into the evolutionary history ...
Plants & Animals
Jan 23, 2024
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