Earth still only has one true natural satellite — our 2,159-mile-wide moon oribiting about 239,000 miles away. However, ...

A major asteroid has entered Earth's orbit, and some scientists and experts believe it is exhibiting behavior consistent with ...

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet ...

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, ...

Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here's what it is.

Reports of a second “moon” orbiting the Earth until 2083 have sparked a flurry of excitement this week. But Australian ...

The latest member of the caled as 2025 PN7, a newly discovered asteroid that could expand Earth's 'moon family' to eight.

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

It's been our constant celestial companion for the last 4.5 billion years. But the moon is no longer the only cosmic body ...

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...

Unlike the moon with which we are familiar, which is 2,159 miles wide and located about 239,000 miles away, according to NASA ...