The Future of Deep-Space Exploration

When humankind once again ventures out from Earth's neighborhood, where will we go? And how will we get there?

This Way to Mars: How Technologies Borrowed from Robotic Missions Could Deliver Astronauts to Deep Space

By adapting ideas from robotic planetary exploration, the human space program could get astronauts to asteroids and Mars cheaply and quickly


Breaking the Deep-Space Barrier [Interactive]

How a spacecraft propelled by ion drives could deliver humanity deeper into space than ever before. Read more in our special report on deep-space exploration


How an Energy-Efficient Spacecraft Could Revolutionize Space Travel [Video]

In a Skype interview, Damon Landau and Nathan J. Strange of NASA's Jet Propulsion Laboratory talk about the radical mission proposal they laid out in the December issue of Scientific American


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