Lunar minerals generate the rust mineral hematite when bombarded with high-energy oxygen particles, simulations show.

Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

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 ...

The new moon of July 2024 occurs today as Earth reaches its farthest point from the sun, known as aphelion. The new moon arrives on July 5 at 6:57 p.m. Eastern Time (2257 UTC), according to the U.S.

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 ...