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

How we would explore Uranus or Neptune

One fact dominates the planning for any mission to Uranus or Neptune: They lie far from the sun. A newly released NASA report looks at how we can explore these icy giants.

Explorer of Enceladus and Titan

For the third time in less than a decade, scientists have proposed a multiple-flyby mission to explore the habitability of Saturn’s ocean moons Titan and Enceladus.

Selecting the Next New Frontiers Mission

NASA’s managers have begun the process for a competition to select a new planetary mission to launch in the mid-2020s that will address one of the most important questions in planetary science.

Red Dragon and Planetary Exploration

If SpaceX’s Dragon spacecraft becomes a standard catalog item that could ordered, the way a launch vehicle is, what might the impact be on planetary exploration?

Defining the Missions for the Ocean Worlds

At a recent meeting of an advisory group for NASA, the Committee on Astrobiology and Planetary Science (CAPS), Jim Green, the head of NASA’s Planetary Science Division, and Barry Goldstein from the Jet Propulsion Laboratory, provided updates on plans to explore our solar system's ocean worlds.

Challenges to Enabling a Richer Planetary Exploration Program

This past week brought to the fore two challenges for NASA’s managers as they try to enable the richest possible mix of coming planetary missions. At stake are whether the agency will be able to select two Discovery missions from the current competition, and whether there will be the possibility of a mission selected for Enceladus and/or Titan in the next decade.

Europa Budget Bulge

Van Kane explains how the key development for NASA’s mission to Europa will be an agreement on how the agency plans to accommodate the monetary bulge that will come from funding the mission.

New Concepts to Explore the Jovian System

Last year, NASA’s managers invited the European Space Agency to propose a small spacecraft to explore the Jovian system. Van Kane describes the recently-posted results of ESA's concept studies for two possible missions.

Discovery Finalists

Van Kane rounds up the missions selected to move onto the next round in NASA's Discovery proposal process.

Outer Planet News

NASA's Outer Planet Analysis Group is currently meeting to hear the agency's current plans and to provide the feedback of the scientific community on those plans.

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