It's largely agreed that the moon was created around 4.5 billion years ago when a protoplanet collided with early molten ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

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 ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

The object, the latest “quasi-moon” detected by astronomers, could be with us for almost another 60 years. By Robin George Andrews The Earth stands alone in the solar system as a habitable world, as ...

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 ...

Their movements are delicate, influenced by both the Sun and Earth ... scientists model how small bodies interact with Earth ...