Stephen Hawking Says Humans Have No Long-Term Future on Earth
The theoretical physicist wants Earth to have bases on Mars and the moon within the next few decades. He's also working on a spacecraft.
Alpha Centauri
Stephen Hawking Teams Up With Russian Billionaire to Launch Mission to Alpha Centauri
The new project, dubbed Breakthrough Starshot, has the lofty goal of sending a fleet of tiny spacecraft to Alpha Centauri in only 20 years.
