Many objects in space rotate. Earth completes a spin in roughly 24 hours, while Venus takes a whopping 243 Earth days. The ...

Earth, like most planets out in the cosmos, famously spins on an axis, but what if it didn’t? What if one day, instead of twirling at 1,040 Miles per hour it just suddenly stopped, coming to a halt ...

Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...

The Sun turns, but not in the way a solid object would. It has no hard surface, no fixed edge to follow. What scientists ...