(PhysOrg.com) -- On March 17, the tiny MESSENGER spacecraft completed its primary mission to orbit and observe the planet Mercury for one Earth-year. The bounty of surprises from the mission has completely altered our understanding ...
Space Exploration
Mar 21, 2012
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A new geologic map of the moon's Schrodinger basin paints an instant, camouflage-colored portrait of what a mash-up the moon's surface is after eons of violent events. The geologic record at Schrödinger is still relatively ...
Space Exploration
Aug 30, 2010
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Since 2009, the Lunar Reconnaissance Orbiter (LRO) has been taking high-resolution pictures of the lunar surface. This data, along with the information from a laser altimeter mapping instrument has allowed scientists to create ...
Astronomy
Mar 2, 2022
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The first use of a novel method of analyzing Mars' gravitational force supports the idea that the planet once had an extensive northern ocean.
Astrobiology
Sep 20, 2023
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(Phys.org) —Scientists have created the first global topographic map of Saturn's moon Titan, giving researchers a valuable tool for learning more about one of the most Earth-like and interesting worlds in the solar system. ...
Space Exploration
May 15, 2013
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(PhysOrg.com) -- NASA's Dawn spacecraft has obtained its first image of the giant asteroid Vesta, which will help fine-tune navigation during its approach. Dawn is expected to achieve orbit around Vesta on July 16, when the ...
Space Exploration
May 11, 2011
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New evidence gathered by NASA's MESSENGER spacecraft at Mercury indicates the planet closest to the sun has shrunk up to 7 kilometers in radius over the past 4 billion years, much more than earlier estimates.
Space Exploration
Mar 16, 2014
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(PhysOrg.com) -- NASA's Dawn spacecraft has completed a gentle spiral into its new science orbit for an even closer view of the giant asteroid Vesta. Dawn began sending science data on Sept. 29 from this new orbit, known ...
Space Exploration
Oct 3, 2011
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NASA has declared full mission success for the Lunar Reconnaissance Orbiter (LRO). As a result of the mission, LRO has changed our view of the entire moon and brought it into sharper focus with unprecedented detail.
Space Exploration
Jun 21, 2011
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New Zealand's 2016 Kaikōura earthquake stopped the Waiau Toa—also known as the Clarence River—in its course. Within hours, the river flooded outside its channel and changed course. In the seven years since the magnitude ...
Earth Sciences
May 30, 2023
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