"One small step for man" costs a lot of money. Who's going to help pay the bill for the next bout of space exploration?
Mining asteroids might seem like the stuff of science fiction, but there are companies and a few governments already working hard to make it real.
The Planetary Habitability Laboratory has made up some periodic tables of all of the confirmed and suspected exoplanets so far, plus planetary bodies in our own solar system.
Neil deGrasse Tyson is working in with video game developers to create a space exploration game called Space Odyssey.
As its CEO, Bill Nye lays out the missions The Planetary Society would like to see NASA focus on over the next 20 years. NASA by nature goes where the future is, and Nye can't help but think of another industry that should follow suit.
In between time checks on the Doomsday Clock, Stephen Hawking is here to remind us we are living in dangerous times.
A massive chart of humankind’s 113 spacecraft so far and where they’ve gone.
As mankind raises its eyes to Mars and asks, "How do we get there?", we might need to ask, "Should we go?". Carl Sagan said we may not be entitled to visit a potentially inhabited planet.
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