Caltech researchers used the Mars Reconnaissance Orbiter to determine that surface water left salt minerals behind as recently as 2 billion years ago.
Astronomy
Jan 26, 2022
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66
An international team of scientists is challenging our understanding of a part of Earth's history by looking at the Moon, the most complete and accessible chronicle of the asteroid collisions that carved our solar system.
Space Exploration
Jan 17, 2019
8
333
Sometime between March 2010 and May 2012, a meteor streaked across the Martian sky and broke into pieces, slamming into the planet's surface. The resulting craters were relatively small—just 13 feet (4 meters) in diameter. ...
Space Exploration
Oct 1, 2020
0
239
For years, scientists have been hunting for the stable lava tubes that are believed to exist on the moon. A remnant from the moon's past, when it was still volcanically active, these underground channels could very well be ...
Space Exploration
Apr 7, 2016
2
105
Mars has been a focus of astrobiology and exobiology research since the early days of NASA. Even before the invention of the telescope, Mars captured the imagination of scientists and philosophers who were interested in life's ...
Space Exploration
Oct 19, 2015
1
52
On May 25, 2017, NASA's Solar Dynamics Observatory, or SDO, saw a partial solar eclipse in space when it caught the moon passing in front of the sun. The lunar transit lasted almost an hour, between 2:24 and 3:17 p.m. EDT, ...
Space Exploration
May 26, 2017
0
152
NASA still hasn't heard from the Opportunity rover, but at least we can see it again.
Space Exploration
Sep 25, 2018
0
153
(PhysOrg.com) -- NASA's versatile Mars Reconnaissance Orbiter, which began orbiting Mars five years ago tomorrow, March 10, has radically expanded our knowledge of the Red Planet and is now working overtime.
Space Exploration
Mar 10, 2011
0
0
Has Comet ISON survived its suicidal flyby of the sun? Scientists expected the dirty snowball to break apart as it flew within 730,000 miles of the sun on Thanksgiving, but NASA reported Friday that its nucleus may have survived.
Space Exploration
Dec 1, 2013
1
0
Mars is a different place than Earth. There is water on Mars, more than the Moon, but lots less than on our own world. But the water on Mars is the same H2O we have here, and we should use it when we travel to Mars and set ...
Space Exploration
Oct 5, 2015
2
51
