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

Is the Moon a Stepping Stone or a Cornerstone for Mars?

New legislation proposed in the House of Representatives would radically shift NASA's human spaceflight efforts away from the Moon and back to Mars.

Is a $2 Billion Prize for Landing on the Moon a Good Idea?

Though prize incentives can be useful for certain problems, huge cash payouts for human spaceflight are not good policy.

After the Success of InSight, It’s Time for NASA to Commit to Mars Sample Return

In the brief period of public and political goodwill generated by NASA's latest success at the Red Planet, now is the time to secure a commitment for the next steps at Mars: sample return.

This Thanksgiving, avoid the politics and talk space instead

If you're expecting to gather with extended family on Thanksgiving, avoid the politics. Here are some conversation starters to use at the dinner table that everyone can engage in.

How the Falcon Heavy could revolutionize exploration of the ocean worlds

SpaceX's Falcon Heavy is not just for big payloads, it can also throw light things into space very fast. And that has significant implications for the exploration of distant destinations in our outer solar system—particularly the ocean moons of the giant planets.

Pluto is not the end

One year after the New Horizons Pluto flyby, Emily reflects on its significance.

What NASA Can Learn from SpaceX

SpaceX's announcement that it will send Dragon capsules to Mars demonstrates the advantage of having a clear plan to explore the red planet. NASA should take note.

Does Presidential Intervention Undermine Consensus for NASA?

Presidents induce polarization on topics they choose to promote. So is the best way for a President to promote consensus in NASA to speak quietly?

Is the Opportunity Rover a Mission 'Whose Time Has Passed'?

The NASA Administrator declared that the Opportunity rover is a mission 'whose time has passed' and will be defunded next year. Will Congress act to save it?

Interstellar: The movie that deserves to be called “Gravity”

Mat Kaplan gives his thoughts on the newest space film to hit theatres,

The Consequences of the 2014 Midterm Elections for NASA

A Republican Senate will not drastically change the course of the nation's space program, though it will likely see less funding for NASA and a difficult path forward for the Asteroid Retrieval Mission.

How Richard Nixon Changed NASA

The end of the Moon race raised the question: what, if anything, was next for NASA? The decisions made by President Nixon in the aftermath of Apollo still impact the space program today.

Our Pathway to Exploration Should Start with the Asteroid Redirect Mission

Despite its rejection by the NRC Committee, we argue that the Asteroid Redirect Mission (ARM) is an affordable and logical first step in such a sequence. ARM is not only consistent with the NRC Committee’s own principles, but is also the only near- term initiative that can shape their recommendations into a sustainable human space exploration program. ARM would launch U.S. explorers into deep space beyond the Moon, and fits logically into an exploration program aimed at Mars.

An Open Letter to the Planetary Science Community

Dr. Jim Bell, a planetary scientist and President of the Planetary Society, calls on his colleagues to write Congress in support of planetary exploration and to support The Society.

Beyond Apollo: Where Next in Space?

Apollo 11 astronaut Buzz Aldrin and Planetary Society founder Lou Friedman argue that it is time for humans to go beyond the Moon.

The Adventure of the Planets

Carl Sagan's argument for planetary exploration. Published in the first issue of The Planetary Report magazine.

Space is vast. There's a lot of exploring to do.

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