Advanced space travel relies on a fundamental understanding of the restricted three-body problem (RTBP), in which one of the three bodies—typically a spacecraft—is so small that its gravity doesn’t ...

Visualization of the Sun-Earth Lagrange points. Orbital mechanics is a fun subject, as it involves a lot of seemingly empty space that’s nevertheless full of very real forces, all of which must be ...

New Delhi: India's first solar mission Aditya-L1 spacecraft completed its first halo orbit around the Sun-Earth L1 point on Tuesday, the Indian Space Research Organisation (ISRO) said in a statement.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Paul M. Sutter is an astrophysicist at The Ohio State University, host of "Ask a Spaceman" and ...