Out of thin Martian air
A wet Mars is just a memory, but where did the water go?
A wet Mars is just a memory, but where did the water go?
Space Exploration
Aug 23, 2011
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Melting ice sheets contributed much more to rising sea levels than thermal expansion of warming ocean waters during the Last Interglacial Period, a UA-led team of researchers has found. The results further suggest that ocean ...
Earth Sciences
Jul 15, 2011
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Of the roughly 420 extra-solar planets now known, about a dozen are in the newly named category of "super-earths," planets whose masses are in between of two and about fifteen earth-masses.
Astronomy
Jan 22, 2010
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(PhysOrg.com) -- Preventing the havoc wrought when freezing rain collects on roads, power lines, and aircrafts could be only a few nanometers away. A University of Pittsburgh-led team demonstrates in the Nov. 3 edition of ...
Materials Science
Oct 29, 2009
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NASA is figuring out how to make water from moondust. Sounds like magic? "No magic--" says Ed Ethridge of NASA's Marshall Space Flight Center "-- just microwaves. We're showing how microwaves can extract water from moondust ...
Space Exploration
Oct 8, 2009
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Whether in the form of frost or a smooth, transparent ice cube, ice adheres spontaneously and even quite strongly to many solid surfaces. However, as any careless person who has skidded on a winter sidewalk can testify, ice ...
General Physics
Mar 21, 2024
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The year 2023 shattered the record for the warmest summer in the Arctic, and people and ecosystems across the region felt the impact.
Environment
Dec 13, 2023
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Nature doesn't conform to our ideas of neatly-contained categories. Many things in nature blur the lines we try to draw around them. That's true of Jupiter's moon Ganymede, the largest moon in the solar system
Astronomy
Oct 27, 2023
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Pluto with a super-cryovolcano? Why not! All the elements are there, just not in the way we normally think of volcanoes. And cryovolcanoes are the reason why Pluto's surface looks the way it does. A recent research paper ...
Planetary Sciences
Oct 23, 2023
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While the surface of the moon has been mapped in incredible detail over the last several decades, one region has eluded orbital cameras due to the lack of sunlight, which are aptly called the permanently shadowed regions ...
Planetary Sciences
Sep 26, 2023
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