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 ...

Throughout history, when pioneers set out across uncharted territory to settle in distant lands, they carried with them only the essentials: tools, seeds and clothing. Anything else would have to come ...

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, ...

As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the ...