A 33-foot asteroid named 2024 PT5 is expected to briefly orbit the Earth between September 29 and November 25.

Earth is saying goodbye to an asteroid that has been a "mini-moon" of sorts since late September, when it joined the planet's orbit.

An Arjuna asteroid, discovered in August, will become a "mini-moon" event for nearly two months from Sept. 29 to Nov. 25.

An Arjuna asteroid, discovered in August, will become a "mini-moon" event for nearly two months from Sept. 29 to Nov. 25.

There's a new moon on the horizon. The Earth will gain a second, mini-moon on Sept. 29, but it won't stick around too long. Here's what to know.

Earth is parting company with an asteroid that's been tagging along as a “mini moon" for the past two months. The harmless space rock will peel away on Monday.

Earth will be hosting a "mini-moon" starting this weekend. Also sometimes called a "second moon," the small asteroid will rotate Earth for several months. The existence of the asteroid, formally ...

Earth's moon soon won't be the only orbiting body in the sky. 'Mini-moon' asteroid 2024 PT5 will soon be here.

Earth doesn't really have a second moon—but here's what would happen if we did If you were hoping to see the “mini moon,” you’ve probably been disappointed. But experts say the asteroid ...

The moon is getting a little friend. For about two months a so-called mini-moon will orbit Earth.

Earth will get itself another moon this month, but only briefly. The "mini-moon" in the form of asteroid 2024 PT5 will stick around for just two months.

A newly discovered asteroid, also referred to as a mini-moon or second moon, is set to enter Earth's orbit temporarily this fall.