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From Glacier Point at the right, across Half Dome at center and ending at Royal Arches at the left, the path of the Milky Way over Yosemite Valley is stunning even under lighting conditions that illuminate the valley walls.

Staying Put Means Death

Posted by Andrew Chaikin on 2012/07/18 04:11 CDT | 3 comments

Chaikin interviews Mars scientist Nathalie Cabrol who talks about her passion for exploration and urges America to explore even in tough economic times.

Cosmoquest Science Hangout Wednesday July 18 2300 UTC: Jeff Foust, space industry analyst

Posted by Jason Davis on 2012/07/18 11:50 CDT

I hosted this week's Cosmoquest Science Hangout for Emily, and my guest was space industry analyst Jeff Foust, editor of The Space Review.

The Space Launch System, revealed at last

Checking in on NASA's Space Launch System

Posted by Jason Davis on 2012/07/11 01:32 CDT | 6 comments

Work continues on the Space Launch System, NASA's next-generation deep space vehicle slated to take humans beyond Earth for the first time since 1972.

Dawn artist's concept orbiting asteroid Vesta

Dawn journal: seeing Vesta in a new light

Posted by Marc Rayman on 2012/07/06 02:33 CDT | 1 comments

Once again Dawn is diligently mapping Vesta, circling the ancient protoplanet about twice a day, observing the signatures of Vesta's tortured history.

How Curiosity Will Land on Mars, Part 3: Skycrane and landing

Posted by Emily Lakdawalla on 2012/07/06 07:01 CDT | 6 comments

The final phase of Curiosity's landing on Mars involves the "skycrane maneuver" and will leave the rover on its wheels ready for its mission on Mars to begin.

Mars Exploration Rovers Update: Opportunity Digs Cape York, Roves to New Milestone

Posted by A.J.S. Rayl on 2012/07/04 01:57 CDT | 3 comments

Even robots deserve a break once in a while, and when the Mars Odyssey orbiter went into safe mode in June, Opportunity got the chance to hang out and leisurely take in her surroundings at the Red Planet, while the Mars Exploration Rover (MER) mission downshifted into lower gear.

HiWishing for 3D Mars images, part II

Posted by Alfred McEwen on 2012/07/03 02:39 CDT | 1 comments

Part two of a three-part series of images from the Mars Reconnaissance Orbiter’s HiRISE camera.

Mars Exploration Rover artist's concept Opportunity within Endurance Crater

Three Thousand Sols

Posted by Stuart Atkinson on 2012/07/02 11:18 CDT

Earlier today, unnoticed by the vast majority of the world, Opportunity reached and then silently passed a major milestone in her great adventure on Mars. At just before 3am, UK time, Opportunity began her 3000th sol, or martian day, on Mars.

HiWishing for 3D Mars images, part I

Posted by Alfred McEwen on 2012/06/18 03:10 CDT

Hundreds of images from the Mars Reconnaissance Orbiter’s HiRISE camera are publicly available, if you know where to look.

Shenzhou-9 reaches orbit

Posted by Jason Davis on 2012/06/16 12:08 CDT | 1 comments

China’s fourth human spaceflight mission got underway this morning after a Long March 2F rocket blasted off from the Jiuquan Satellite Launch Center at 10:37 UTC.