orbital dynamics

Titan is migrating away from its host planet at a rate 100 times faster than the previous estimate. The discovery is…

The longest lunar eclipse of the 21st century will start today at 3:30 p.m. and last until 5:15 p.m. EST (12:30 p.m.…

July 1963: “Ever try to shoot a slow-flying duck while standing rigidly on a fast rotating platform, and with a gun…

The Martian is a love letter to science, but what does science think of The Martian? It’s time for a report card on…

Stop hoping that Pluto will regain its former designation as a planet. It isn’t going to happen. But the good news…

On July 14th, the New Horizons spacecraft will make history when it sails past Pluto, formerly known as the ninth…

Nobody should be surprised that spy satellites are kept secret. But it's actually more complicated. The launches are…

The MAVEN spacecraft used an orbital insertion burn just 11 seconds longer than nominal when slipping into Mars…

Prometheus and Pandora are a tag-team of moons shaping Saturn's F-ring. As Prometheus passes through the ring, it…

The Rosetta spacecraft was scheduled to launch in February 2003 when its rocket rudely exploded while carrying a…

Pi is for planets, and spacecraft, for orbital dynamics and craters. It's 3.14, and it's all about circles.