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 Moon, our constant celestial companion, is drifting away from Earth at a slow but measurable rate. According to a ...

A Dec. 28, 2023, Facebook post (direct link, archive link) claims humanity's basic understanding of the solar system is flawed. "They say the sun is 400 times larger than the moon and that it only ...

How and why the full 'Worm Moon' aligns for March 25's lunar eclipse and April 8's total solar eclipse. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The Moon has long been the Earth's close companion, but researchers have struggled to understand exactly when the moon formed, because tiny crystals in the moon rocks brought home by astronauts ...