More to explore: Universe May Be Curved, Not Flat (Scientific American) http://www.s
The SpaceX vision for a multiplanet species prompts thinking on how to make a planet more habitable
NASA's Curiosity rover provides a beautiful, scientifically appetizing view of what's ahead on Mount Sharp on Mars
Living on a small planet in a big universe exposes us to all manner of existential problems, but what are the worst, and what are the weirdest?
On November 14th 1971 NASA’s Mariner 9 became the first spacecraft to successfully orbit another planet.
It's summer in the northern hemisphere of a small, damp, planet orbiting a middle-aged star in a spiral galaxy of matter enjoying a brief heyday before colliding with another galaxy in some 4 billion orbits of the same small, damp, planet.