Comet C/2013 UQ4 (Catalina) has been observed by NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) spacecraft just one day after passing through its closest approach to the sun. The comet glows brightly ...
Space Exploration
Jul 24, 2014
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(Phys.org) —Flashes appear on a baseball-size Martian rock in a series of images taken Saturday, July 12 by the Mars Hand Lens Imager (MAHLI) camera on the arm of NASA's Curiosity Mars Rover. The flashes occurred while ...
Space Exploration
Jul 17, 2014
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Repeated high-resolution observations made by NASA's Mars Reconnaissance Orbiter (MRO) indicate the gullies on Mars' surface are primarily formed by the seasonal freezing of carbon dioxide, not liquid water.
Space Exploration
Jul 11, 2014
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It has been a decade since a robotic traveler from Earth first soared over rings of ice and fired its engine to fall forever into the embrace of Saturn. On June 30, the Cassini mission will celebrate 10 years of exploring ...
Space Exploration
Jun 26, 2014
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(Phys.org) —Every time we get in a car and drive, we burn gasoline, releasing carbon dioxide and other compounds into the air and disturbing Earth's climate. Our use of fossil fuels continues to increase exponentially, ...
Environment
Jun 26, 2014
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Today (June 19) marks the 15th anniversary of the launch of NASA's QuikScat, a satellite sent for a three-year mission in 1999 that continues collecting data. Built in less than 12 months, QuikScat has watched ocean wind ...
Space Exploration
Jun 20, 2014
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(Phys.org) —NASA scientists using Earth-based radar have produced sharp views of a recently discovered asteroid as it slid silently past our planet. Captured on June 8, 2014, the new views of the object designated "2014 ...
Space Exploration
Jun 12, 2014
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(Phys.org) —NASA's Curiosity Mars rover has imaged the planet Mercury passing in front of the sun, visible as a faint darkening that moves across the face of the sun.
Space Exploration
Jun 10, 2014
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(Phys.org) —Supernovas are often thought of as the tremendous explosions that mark the ends of massive stars' lives. While this is true, not all supernovas occur in this fashion. A common supernova class, called Type Ia, ...
Astronomy
Jun 4, 2014
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(Phys.org) —Stars that are just beginning to coalesce out of cool swaths of dust and gas are showcased in this image from NASA's Spitzer Space Telescope and the Two Micron All Sky Survey (2MASS). Infrared light has been ...
Astronomy
May 30, 2014
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