What does it truly mean to live in space? To wake up in microgravity, repair failing systems, and make sure there’s enough ...

Orbital Mechanics is a fundamental discipline concerned with the motion of objects under the influence of gravitational forces, crucial for understanding both natural celestial phenomena and the ...

We're re-surfacing a few videos from days past over the Christmas 2018 break to give folks a chance to see them anew. A year ago in December 2017, former astronaut Scott Kelly stopped by the Ars ...

Tracking exoplanets via orbital mechanics isn't easy. Plenty of variables could affect how a planet moves around its star, and determining which ones affect any given exoplanet requires a lot of data ...

The waning gibbous Moon above the Earth's horizon over the Atlantic Ocean. A team of University of Colorado Boulder researchers is embarking on a major research project that will advance our ...

It's a plot device beloved by science fiction: our entire universe might be a simulation running on some advanced ...

How do astronauts get from Earth to the International Space Station? Well, in a Soyuz spacecraft, of course. But do you know what kind of path the Soyuz takes to rendezvous with humanity’s orbital ...