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 ...

Proxima Centauri b is approximately 1.3 times the mass of Earth and completes an orbit of its parent star every 11.2 Earth days. It receives about 65% of the sunlight Earth does.

A NASA filmmaker has claimed that telescopes on Earth have discovered evidence of intelligent alien life, and the announcement may come within the next month. Science filmmaker Simon Holland, who ...