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Stories, updates, insights, and original analysis from The Planetary Society.

The End of Opportunity and the Burden of Success

The Opportunity rover and the Lunar Reconnaissance Orbiter are both zeroed out in NASA's 2015 budget. Learn why these missions face the axe and why the White House is forcing NASA to choose between existing missions and starting new ones.

Mars Exploration Rovers Update: Opportunity Powers Up in Cook Haven and in Fans' Minds

At the Solander Point section of the rim of Endeavour Crater, Mars Exploration Rover Opportunity spent the month of March just off Murray Ridge working on its final targets in Cook Haven and dusting itself in the winds of winter, while MER mission officials on Earth were roving toward what may be the robot's current greatest potential threat – being cut from NASA's planetary science budget.

The NASA Budget: What Next

Now that the White House has released its 2015 NASA budget proposal, what happens next? What can you do to help?

NASA Wants to Explore Europa On the Cheap

NASA announced today that their Europa mission concept studies will be for a sub-$1 billion spacecraft, a lower level than previously imagined for a mission to this watery moon.

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