Earth has its fair share of fleeting companions. But sometimes, these so-called “mini-moons” have a surprising origin story. Take 2024 PT5, a bus-sized asteroid that drifted near Earth last year.

The incoming object created an impact basin and sent streams of rocks hurtling like missiles, NASA said. Within minutes, two ...

“It was nearly orbiting us for about two months ... just how many times impacts on the moon have sent wayward space rocks flying into the vicinity of Earth. Kareta and members of his team ...

Close to the moon's south pole are two canyons each ... the moon is estimated to have been about 15 miles (25 km) in diameter, larger than the asteroid that struck Earth 66 million years ago ...