Feature

Countdown to Commercial Crew

By Amanda Miller

February 2019

Boeing and SpaceX are poised to make 2019 the breakthrough year in the nearly decadelong effort to get the U.S. back in the business of launching astronauts to the space station and bringing them home. Amanda Miller looks at the stakes and steps ahead for the Commercial Crew program.

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Opinion

Gusts of change

February 2019

The world appears to be on the cusp of an explosion in personal and passenger air travel and commercial exploitation of space. It’s exciting, but the environmental and societal concerns of the coming revolution need to be considered starting now. Aerospace expert Amir S. Gohardani explains.
Opinion

Imaging a habitable world

January 2019

Scientists are detecting exoplanets daily by the slight decrease in light from a host star as a planet transits in front of it. Photos of such a planet could tell us whether or not we are alone in the universe. Louis D. Friedman and Slava G. Turyshev think they have a solution for delivering this photographic evidence, one that will require a 900 trillion-kilometer journey and applying a phenomenon discovered by Einstein.

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