Breakthrough Starshot

Breakthrough Starshot is a research and engineering programme aimed to build "nanocrafts" that can travel at 20 percent of lightspeed.

Billionaire Russian investor Yuri Milner and British cosmologist Stephen Hawking on Tuesday announced an ambitious new space initiative for a mission to Alpha Centauri, the nearest star system to Earth.

With famed physicist Stephen Hawking at his side, an Internet investor announced Tuesday that he's spending $100 million on a futuristic plan to explore far outside our solar system.

Breakthrough Starshot is a research and engineering programme aimed to build "nanocrafts" that can travel at 20 percent of lightspeed.

Billionaire Russian investor Yuri Milner and British cosmologist Stephen Hawking on Tuesday announced an ambitious new space initiative for a mission to Alpha Centauri, the nearest star system to Earth.

With famed physicist Stephen Hawking at his side, an Internet investor announced Tuesday that he's spending $100 million on a futuristic plan to explore far outside our solar system.