The curious minds at What If land on Proxima Centauri b and explore its alien environment, revealing climate, terrain, and habitability. Study of 27.8M Americans may have revealed direct Alzheimer's ...

Laser sail propulsion is an idea that won't go away. By aiming powerful Earth-based lasers at tiny spacecraft with light sails, tiny spacecraft can be accelerated to near-relativistic speeds without ...

The curious minds at What If explore the possibility of an alien civilization existing on Proxima b, imagining how they might live, communicate, and interact with humanity. Five arrested in shooting ...