Interstellar exploration might not be lightyears away, at least not in the figurative sense. That’s because international research project Breakthrough Starshot just provided an update on its plans to send a probe to Alpha Centauri, our closest neighboring star system.

Before getting there, it will have to develop and test…

More: interestingengineering.com/laser-powered-lightsail-could-reach-alpha-centauri-in-20-years