3I/ATLAS is the fastest comet ever recorded and its interstellar! NASA's Goddard Space Flight Center explains. Credit: NASA's ...

Solar-sailing 'bubblecraft' could get to Proxima Centauri in 185 years, a study suggests. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Interstellar flight is so daunting because of the vast distances separating stars. The extrasolar system closest to us, for example, is the three-star Alpha Centauri, which lies about 4.3 light-years ...

Amazon founder Jeff Bezos wants to have millions of people living and working in space — that’s why he founded… Read More NASA says its Voyager 2 probe has become the second human-made object to fly ...

It's still unclear if a bold interstellar-flight project announced three years ago can actually work. Breakthrough Starshot, a $100 million effort that was unveiled in April 2016, aims to accelerate ...

NASA has funded eight advanced-technology concepts that agency officials believe could help transform space science and exploration. The high-risk, high-reward ideas — which received grants under ...

Interstellar space travel. Fantasy of every five-year-old kid within us. Staple of science fiction serials. Boldly going where nobody has gone before in a really fantastic way. As we grow ever more ...