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 ...

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

Sven Bilén is a co-owner of X-Hab 3D, Inc. which received NASA STTR funding to develop lunar construction technologies and develops 3D concrete printing systems. He receives funding from NASA, DARPA, ...

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