The curious minds at What If explore what life would be like on an Alderson Disk, revealing extreme planetary engineering, gravity effects, and ecosystems. A cardiologist’s no. 1 rule for healthy ...

The Alderson Disk is a popular but impractical megastructure that seeks to build an enormous flat planet with a Sun at its center, as an alternative to a Dyson Sphere. Millions to receive $250 and ...

Since the Kepler space observatory launched in 2009 in search of Earth-like objects, numerous candidates have been found—each raising the tantalising possibility that they might be out there. But for ...