The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of the mini-moon 2024 AT5 around Earth with the moon is the distance. | Credit: ...

NASA research using Apollo lunar regolith data refines the Moon’s impact record and places limits on meteorite contributions to Earth’s water over geologic time.

Asteroid 2024 PT5, which almost became a temporary mini-moon to Earth, was recently found to be a broken-off part of the moon itself. This discovery has led scientists to believe there are many more ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and ...

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...