Alpha Centauri sits more than four light-years away, close enough to fascinate generations of dreamers and far enough to make ...

Since last century, humankind has been demonstrating it can fly unmanned space vehicles to the planets revolving around our star, the sun. Can humankind send probes this century to any stars beyond ...

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, ...

We normally think of interstellar flight in terms of reaching a single target. The usual destination is one of the Alpha Centauri stars, and because we know of a terrestrial-mass planet there, Proxima ...

CLEVELAND - Just last month, scientists announced the discovery of the first possibly habitable planet, orbiting a star 20 light-years from Earth. That's relatively close in astronomical terms, but ...

Overview / Yoji Kondo -- Fly me to the stars : interstellar travel in fact and fiction / Charles Sheffield -- Ad astra! / Robert Forward -- The ultimate exploration : a review of propulsion concepts ...

The flight of 3I/ATLAS through the solar system last year was a stroke of luck for research. The water in the object was also ...