Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...

For the first time in years, a total lunar eclipse will dazzle American spectators tonight, complete with a view of the resulting glowing red "blood moon." It's been nearly three years since the last ...

Space pioneers will bring 3D printers with them to make the tools, structures and habitats space pioneers need to survive in a hostile alien environment. JumlongCh JumlongCh/Getty Editor’s note: The ...

Earth just got a new tag-along in space — a little asteroid named 2025 PN7. NASA confirmed this week that the rock, ...

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...