The astronaut leading humankind's journey to the stars says if we want to get to another Earth, we'll have to...
A morphable black monolith certainly looks cool, but it's not going to be very helpful.
Science fiction's favorite method for exploring the universe, most recently in the movie Interstellar, won't be easy.
Don’t pack your bags yet
It was not projected to happen until 2014
On the bright side, that's sooner than others suggest
A new sky map shows the region where our solar system bumps up against interstellar boundaries
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