Kardashev Scale
Do Stars Move? Tracking Their Movements Across the Sky
The stars look static in the sky, but are they moving? How fast, and how do we know? What events…
8 years ago
When Will Humanity Become a Type III Civilization?
Based on our current growth in energy usage, how long will it take before we use up all the energy…
8 years ago
100,000 Galaxies, and No Obvious Signs of Life
Beam us up, Scotty. There's no signs of intelligent life out there. At least, no obvious signs, according to a…
10 years ago