Tagged With Alpha Centauri

A startup is developing a 100-gigawatt laser to propel a probe to another star system. That may be powerful enough to 'ignite an entire city.'


A Russian billionaire has launched the smallest-ever spacecraft into orbit -- a key step to reaching a nearby star system


NASA has a solution for the Stephen Hawking-backed mission to send tiny spaceships to a planet that might harbour life



Another Earth might exist right next door -- and this dinky DIY telescope may be the first to see it


Stephen Hawking just announced a radical $100 million project for interstellar travel using lasers


Stephen Hawking and Yuri Milner are building 160 million km/h ships for finding life beyond our planet