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Latest Guest Blog Posts

Dawn Journal: 8 Years in Space

Posted by Marc Rayman on 2015/09/28 07:49 CDT | 18 comments

On the 8th anniversary of the launch of the Dawn spacecraft, Chief Engineer and Mission Director Marc Rayman gives his annual summary of Dawn’s progress on its interplanetary travels.

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Towards a Jupiter Weather Forecast

Posted by Leigh Fletcher on 2015/09/24 08:04 CDT

Trying to keep track of the ever-changing face of Jupiter is a pretty big challenge—its a dynamic world that can fascinate and surprise every time we turn our telescopes towards it.

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Xtronaut – A New Approach to Education and Public Outreach

Posted by Dante Lauretta on 2015/09/22 09:27 CDT

Historically, NASA missions set aside a portion of their budgets for education and public outreach, or EPO. However, the OSIRIS-REx EPO budget got deleted in 2013 as part of a broader federal policy change. Dante Lauretta decided to make a run at a private company to recover the lost OSIRIS-REx EPO program – and Xtronaut was born!

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Searching for the Origins of Earth’s Water

Posted by Van Kane on 2015/09/17 10:03 CDT | 1 comment

Three recently proposed low-cost space missions all aim to answer the same question: Where did Earth's abundant water come from?

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Finding the Surveyor retro-rockets on the Moon

Posted by Phil Stooke on 2015/09/15 01:02 CDT | 5 comments

Planetary scientist Phil Stooke may have found the retro-rockets from NASA's Lunar Surveyor missions, sent to the Moon in preparation for Apollo.

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A Workhorse at Mars

Posted by Tanya Harrison on 2015/09/11 07:44 CDT | 2 comments

The Mars Reconnaissance Orbiter (MRO) Context Camera (CTX) is almost a silent star at Mars. The latest MRO data release brought the total number of available CTX images to over 70,000, covering well over 90% of the Red Planet at a stunning resolution of 6 meters per pixel.

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IceBreaker: The Search for Life on Mars

Posted by Van Kane on 2015/09/08 09:19 CDT | 3 comments

The IceBreaker mission, proposed to NASA's Discovery program for low-cost missions, would seek out life on the northern plains of Mars.

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Aluminum Shapemodel of Comet 67P

Posted by Mattias Malmer on 2015/09/04 07:55 CDT | 4 comments

Mattias Malmer describes his MacGyver-esque process in creating a homemade aluminum version of 67P/Churyumov–Gerasimenko.

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Mars Exploration Rovers Update: Opportunity Digs Marathon Valley Walkabout

Posted by A.J.S. Rayl on 2015/09/03 08:04 CDT

Opportunity drove farther into Marathon Valley in August, dug into what appears to be a water-altered rock, and took a lot of picture postcards in what is turning out to be a distinctively different site from any that the mission has found since the robot field geologist landed in 2004.

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Populating the OSIRIS-REx Science Deck

Posted by Dante Lauretta on 2015/09/01 02:34 CDT | 1 comment

The assembly of the OSIRIS-REx spacecraft continues, with many elements integrated onto the spacecraft ahead of schedule. Last month both OTES and OVIRS were delivered to Lockheed Martin and installed on the science deck.

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