interstellar travel

Bizarre flashes of cosmic light may actually be generated by advanced alien civilizations, as a way to accelerate interstellar spacecraft to tremendous speeds, a new study suggests.

The discovery of seven Earth-size planets around a nearby star, TRAPPIST-1, is certainly exciting news. But what would it take to visit one of these potentially Earth-like alien worlds?

Could we actually warp and bend space-time to make a convenient tunnel, making all our galactic dreams come true? Short answer: not likely.

New Hubble observations of the interstellar medium could shed light on the challenges that future missions dispatched to the nearest stars might face, researchers say.

Famed production designer Guy Hendrix Dyas discusses the incredible starship design for the film "Passengers" (2016).

A theoretical device that sounds like something out of "Star Trek" could help to turn marginally habitable planets into rich environments capable of hosting microbes, a new paper argues.