Not every planet has a moon – so why do some planets ... Hill sphere radius and how its solar system formed may play a role.

Southwest Research Institute (SwRI) has partnered with the Carnegie Institution for Science to perform laboratory experiments that recreate the conditions of Saturn’s moon Titan in a tiny vial. The ...

Reference Only 12 astronauts have walked on the moon. Discover who they are, which Apollo missions took them there, and when humans will return to the lunar surface.

June 22, 2020 — The Earth-Moon system's history remains mysterious. Scientists believe the two formed when a Mars-sized body collided with the proto-Earth. Earth ended up being the larger ...

Monroeville Public Library is holding a three-part children’s series on space, where participants learn fun facts about the ...

Both systems include a moon that is a large fraction of the size ... Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of ...

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past ...

"Because most solar system moons rotate very slowly (keeping the same face towards their planet as they orbit, as our moon does to Earth), any ring particles must be orbiting the moon much faster ...