Alpha Centauri in 20 Years? A 1-Gram Probe May Be Our First Interstellar Mission

Future Space

An AI-designed lightsail just made interstellar travel more realistic. Built in under 24 hours, this ultra-thin material could one day send spacecraft to Alpha Centauri at 20% the speed of light. Learn how Breakthrough Starshot is turning light into propulsion—and what comes next.

Credit NSN