This isn't the first time the idea of visiting Alpha Centauri at that speed and ... only one human-made spacecraft has left our solar system—Voyager 1, which launched 40 years ago and is ...

as it is located around 4 light-years away in the Alpha Centauri system. That’s practically in our back yard, cosmically speaking. Voyager 1 will pass by Proxima Centauri within 16,000 years ...

Alpha Centauri is still more than 4 light-years away. That's about 23.5 trillion miles (37.8 trillion km). The only spacecraft to make it out of the solar system thus far are Voyager 1 and 2 ...

Although no one knows for sure, the comets may reach halfway to Alpha Centauri, the closest star system at 4.3 light-years away. In that case, despite its swift speed, Voyager 1 is like a ...

But the legendary Voyager 2 gave NASA engineers a scare ... have the capability to travel anywhere close to another star. Alpha Centauri is the nearest star and planetary system to Earth.

But there's no physical reason to believe that such a spacecraft couldn't conduct a flyby mission of Alpha Centauri, Lubin said. This mission could behave much like the Voyager 1 and 2 probes and ...

We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks," asteroids from the triple star system Alpha Centauri. The scientists behind the new ...