Advanced space travel relies on a fundamental understanding of the restricted three-body problem (RTBP), in which one of the ...

Before we dive in, let’s do a quick review to appreciate what it actually means for an object to be in orbit. As Isaac Newton’s famous first law of motion states, an object in motion will stay in ...

The 2024 PT5 "mini-moon" asteroid will soon be in Earth's orbit. Here's everything you need to know about this celestial ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When Johannes Kepler made the intuitive leap in the early 1600s to realize that planetary orbits ...

One of those challenges is China's continued reliance on expendable rockets. This has made it more important for China to make "game-changing" advancements in other areas, according to Chief Master ...

Artistic impression of European Data Relay Satellite (EDRS) system (not to scale). These satellites work in GEO and relay data to and from non-GEO satellites, spacecraft, and stations that aren’t ...