Earth will get a second moon for about two months this year when a small asteroid begins to orbit our planet. The asteroid was discovered in August and is set to become a mini-moon, revolving ...

Unlike Earth’s permanent moon, mini-moons do not have stable orbits. Instead, they embark on a “horseshoe” orbit path as a result of the asteroids being constantly pulled forwards and ...

The asteroid, known as 2024 PT5, is set to be drawn away from Earth by the powerful pull of the sun on Monday. Called a "mini-moon" of sorts by some, it temporarily entered Earth's orbit on Sept.

China's space agency has launched a spacecraft that promises to return samples from a pair of asteroids near Mars.