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

The day I caught rocket fever

On February 6, 2018, I found myself shoulder to shoulder with two of my heroes: Bill Nye on the left, Buzz Aldrin on the right. Our eyes were fixed on the first vertical Falcon Heavy rocket. Figuring the world's most powerful rocket might send me flying backwards once the countdown hit zero, I gripped the railing so tightly I started to lose the feeling in my fingertips.

Goodbye, Delta II rocket

This Saturday, the final Delta II rocket will launch NASA's ICESat-2 spacecraft into orbit.

Clipper Slipper

Will NASA's Space Launch System be ready to launch a Europa mission in 2022?

We choose to go to the Moon and do the other things

Vice President Mike Pence kicked off the National Space Council's first meeting today by declaring Americans will return to the Moon. Casey Dreier and Jason Davis analyze this new direction for NASA's human spaceflight program.

Learn the rocket equation, part 2

In the second and final chapter of our series, we’ll explore what the rocket equation has to say about travel through the solar system, using the example of launching a rocket to Pluto.

Learn the rocket equation, part 1

Have you ever wanted to learn the fundamental physics behind one of the most basic concepts of rocket science? In part one of our two-part series, we explore the foundations of the famous rocket equation.

An international outpost near the Moon gets closer to reality

International Space Station (ISS) project partners are inching ever closer toward an agreement to begin the development of a new human outpost in the vicinity of the Moon. If successful, the cis-lunar space station (a space station in the vicinity of the Moon) will be the largest international space project to date, influencing the direction of human space flight for decades to come.

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