769 comments How (and Why) SpaceX Will Colonize Mars One of life’s great leaps may be just around the corner. ... Read More
514 comments Elon Musk: The World’s Raddest Man When you pick up the phone, you don’t expect Elon Musk to be on the other line. ... Read More
1,261 comments The Fermi Paradox Scientists estimate that there are over 100,000 intelligent alien civilizations in our galaxy alone—but we’ve never heard anything from any of them. Here are 13 possible explanations for why. ... Read More
73 comments 4 Mind-Blowing Things About Stars For every single grain of sand on Earth, there are 10,000 stars in the observable universe. Come on. ... Read More