Four centuries from launch, a vast spacecraft could deliver thousands of people to a world orbiting the nearest star. The concept, called Chrysalis, is designed for one purpose — to take humanity to ...

A spacecraft the size of a small city could one day ferry generations of humans across the void to Alpha Centauri, our nearest star system, according to a detailed concept design released this summer.

Here’s what you’ll learn when you read this story: Project Hyperion competition winners dreamed up Chrysalis, a starship and space habitat that could make it to the planet Proxima b in just 400 years ...