Investor excitement around the SpaceX IPO is colliding with peak Elon Musk futurism after a new social media post featuring ...

Add Yahoo as a preferred source to see more of our stories on Google. Five physical barriers may prevent civilizations from ever meeting, from light speed limits to cosmic timing gaps. (CREDIT: ...

Explore powerful space journeys like Gravity and The Martian, where emotion and survival rival the impact of Interstellar.