(Phys.org) —Heat from a volcano erupting beneath an immense glacier would have created large lakes of liquid water on Mars in the relatively recent past. And where there's water, there is also the possibility of life. A ...
Space Exploration
May 27, 2014
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(Phys.org) —NASA's Cassini spacecraft has documented the formation of a small icy object within the rings of Saturn that may be a new moon, and may also provide clues to the formation of the planet's known moons.
Space Exploration
Apr 15, 2014
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(Phys.org) —Martian experts have known since 2011 that mysterious, possibly water-related streaks appear and disappear on the planet's surface. Georgia Institute of Technology Ph.D. candidate Lujendra Ojha discovered them ...
Space Exploration
Feb 10, 2014
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For nearly as long as astronomers have been able to observe asteroids, a question has gone unanswered: Why do the surfaces of most asteroids appear redder than meteorites—the remnants of asteroids that have crashed to Earth?
Space Exploration
Nov 19, 2013
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(Phys.org) —As the closest planet to Earth, Venus is a relatively easy object to observe. However, many mysteries remain, not least the super-rotation of Venus' atmosphere, which enables high altitude winds to circle the ...
Space Exploration
Jun 18, 2013
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(Phys.org) —NASA research indicates hunks of frozen carbon dioxide—dry ice—may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go.
Space Exploration
Jun 11, 2013
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The dust of comets fills the space between the planets, collectively called the zodiacal cloud. Still, severe breakdown has reduced that dust in size so much that it now scatters sunlight efficiently, causing the faint glow ...
Astronomy
Mar 21, 2024
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Mars was once a wet world. The geological record of the Red Planet shows evidence for water flowing on the surface—from river deltas to valleys carved by massive flash floods.
Planetary Sciences
Feb 22, 2024
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On the surface of many of the icy moons in our solar system, scientists have documented strike-slip faults, those that occur when fault walls move past one another sideways, as is the case at the San Andreas fault in California. ...
Planetary Sciences
Nov 7, 2023
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The first journal article about clouds identified by participants of the Cloudspotting on Mars project has been accepted for publication and is now available online. The article, "The Cloudspotting on Mars citizen science ...
Planetary Sciences
Nov 2, 2023
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