The Moon, in a Waxing Gibbous phase, rising over Greenwich in southeast London, ahead of the full moon on Monday. There's a reason there isn't a full moon every night or a lunar eclipse every month.

On some evenings the rising Moon seems to swell into a glowing disk that dwarfs city skylines and mountain ridges, as if it has suddenly crept closer to Earth. The effect is so striking that it fuels ...

We're close to the New Moon, which means it's almost the beginning of a new lunar cycle. The lunar cycle is the roughly 29.5-day period during which the Moon orbits Earth and appears to change shape ...

Some planets in our solar system have an incredible amount of moons. Jupiter has 95, with names like Ganymede and Europa. Remarkably, though, Saturn has almost three times that number, including the ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Even most rocket scientists would rather avoid hard math when they don't have to do it. So when it comes to figuring out orbits in complex three-body systems, like those in cis-lunar space, which is ...