To reach Earth’s closest star system, Alpha Centauri, scientists are building a laser-powered spacecraft. To pull off ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Achieving practical interstellar travel requires overcoming the immense challenge of reaching extraordinary velocities. To ...

Full podcast episodes: <a href=" Support: / pmsutter Follow: / paulmattsutter and / paulmattsutter How hard is interstellar ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Interstellar travel is one of the most frustrating topics in all of astrophysics. Despite hundreds of articles, movies and TV shows devoted to the subject, in most professional astronomical ...

Here are some potential ways we Earthlings could achieve interstellar travel, ranked from least to most likely. Skip to content Introducing the all-new Astronomy.com Forum!

But Starshot also underscores the inescapable realities of interstellar travel. We can send capable, advanced, large spacecraft pretty much anywhere in the Solar System.

Astronomy news always seems to break over coffee, on laptop startup. That was the case on Wednesday morning, when word of a ...

Antimatter engines could be humanity's ticket to interstellar travel. When antimatter particles come in contact with regular matter, it produces loads of energy. That energy, if we learn to ...

This is why solar sails are really cool, and this is why I like them for interstellar travel. Let’s go out the Earth’s distance from the sun, 1 AU, 93 million miles.