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HERA crewmember shares thoughts ahead of simulated 45-day asteroid mission

Tim Evans • May 05, 2017

Tonight, a four-person crew will seal themselves inside a three-story habitat at NASA's Johnson Space Center, kicking off a simulated 45-day mission to an asteroid. One crewmember shares his thoughts before entering.

Learn the rocket equation, part 2

David Shortt • May 05, 2017 • 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.

The Mars Exploration Rovers Update: Opportunity Closes in on Perseverance Valley

A.J.S. Rayl • May 03, 2017 • 1

Opportunity spent the month of April 2017 outside the western rim of Endeavour Crater, cruising toward Cape Byron and Perseverance Valley, the centerpiece of its tenth extended mission.

Dawn Journal: On Course for Opposition

Marc Rayman • May 01, 2017 • 1

The Dawn spacecraft is about to swing into a new orbital path to observe the enigmatic "bright spots" in Occator Crater on Ceres—among other targets.

Learn the rocket equation, part 1

David Shortt • April 28, 2017 • 2

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.

Spring 2017 issue of The Planetary Report now available

Donna Stevens • April 18, 2017

The Spring 2017 issue of The Planetary Report is in the mail and available online now to our members!

Postcard from the Space Symposium: Planetary Society outreach coordinator finds her place in space

Harriet Brettle • April 14, 2017

The annual Space Symposium brings together space leaders from around the world to discuss, address and plan for the future of space.

Another smoking gun in the search for life in Enceladus’ ocean

Franck Marchis • April 13, 2017 • 4

NASA's Cassini spacecraft sniffed out molecular hydrogen spewing from Enceladus' subsurface ocean. The discovery means Saturn's moon has all the basic ingredients needed to support life.

Fossils or good-looking rocks? Why searching for life on other worlds is hard

Elias Nakouzi • April 13, 2017 • 2

If you find a structure that looks like ancient life, can you be really sure that it is ancient life?

Extraterrestrial culture: How we express ourselves through space exploration

Felipe Cervera • April 11, 2017

Planetary Performance scholar Felipe Cervera brings a perspective on "extraterrestrial-ity" in terrestrial cultures—from rituals to technology.

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