To the naked eye, the stars are diamond flecks scattered across the inner surface of a celestial sphere. Telescopes have brought depth to our vision, mapping the true distances to cosmic objects. But ...

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 dream about travelling to distant stars, colonising alien worlds, and spreading humanity across the galaxy. It’s the stuff of every science fiction film and book. However, the harsh reality is that ...