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

One Year Ago

MSL Curiosity left the Earth one year ago today. This is my experience of the launch.

Of inclinations and azimuths

A classified U.S. military satellite recently launched into an orbital inclination of 123 degrees. What makes this trajectory so unique? Pondering the answer affords the opportunity to learn some deceptively tricky concepts about the nature of all spacecraft orbits.

Curiosity is on its way to Mars!

It was a textbook launch for the Atlas V 541 today at 15:02 UTC, and within an hour after liftoff, the Centaur second stage had sent Curiosity on its way for an 8.5-month journey to Mars.

NASA unveils Space Launch System

After months of political wrangling, NASA has finally unveiled the design of the Space Launch System, America's next deep space transportation system.

House Committee Votes the Wrong Way? JWST to be Canceled

Yesterday, the U.S. House of Representative's Appropriations Committee marked up the bill covering NASA's budget that was sent to it by the Commerce, Justice, and Science (CJS) Subcommittee, and the results will not make Planetary Society supporters happy.

The Skirmishing Has Begun

Today, 12 July 2011, the Planetary Society submitted into testimony a written statement to the Committee on Science, Space, and Technology of the U.S. House of Representatives for their hearing on NASA's Space Launch System.

Falcon 9 ready for first flight

SpaceX's Falcon 9 rocket is poised for its maiden flight tomorrow, Friday, June 4, between 11:00 and 15:00 Eastern time.

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