Engineers are developing a concept for interstellar travel using a swarm of 1,000 ultra-light "laser sails." The mission aims to send these sails to Proxima b, an exoplanet 4.25 light-years away, ...

Traveling to the stars might remain a dream forever. Vast distances, physics limits, time dilation, and cosmic hazards make ...

Space exploration has always been constrained by one fundamental issue: the need for fuel. Traditional rockets require vast amounts of propellant, which limits their range and the scope of their ...