Latest about interstellar travel
Reference Interstellar space is filled with atoms and molecules, 99% of which is gas, and just 1% is cosmic dust.
Two NASA astronauts will float outside the International Space Station today to prepare the orbiting lab for new solar wings and you can watch it live online.
Launching an interstellar probe sounds exceedingly lofty, ambitious, and tough to do. But there's no need to wait for new technology, say advocates.
The community ponders about the most important questions in space exploration and interrogates dark matter.
Space is big — really big. And if you want to successfully navigate the interstellar depths of our galaxy, you're going to need some sort of reliable system.
Check out our reading list for space and sci-fi lovers, as well as children who are interested in astronomy and spaceflight.
Here are some of the best science fiction books Space.com's writers and editors have read and loved.
Spacecraft made of carbon-foam bubbles could zoom from Earth to Alpha Centauri in 185 years, driven solely by the power of the sun, a new study finds.
