WB—is estimated to be between 240 and 525 feet across and will pass us at about twice the distance between the Earth and moon ...

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

Current data suggest that during its 2055 visit, the sun-circling asteroid will once again make a temporary and partial lap around Earth. The Associated Press Health and Science Department ...

The semi-major axis is a useful way to measure how far an asteroid is from the Sun on average. If 2020 AV2 has the ‘smallest semi-major axis', this means — on average — its closer to the Sun ...

After almost two months of companionship, Earth has just lost its “mini-moon.” On Monday, the asteroid dubbed 2024 PT5 was ...

After a two-month visit, 2024 PT5 is ready to continue its cosmic journey—but it will be back in a few decades.

Humanity is better prepared than ever before to prevent a large asteroid from crashing into Earth, but there's more work, and ...

Imagine that, for billions of years, you're a grain of material unbothered on asteroid Ryugu. All of a sudden, a spacecraft ...

A new study posits that our planet's gravity will cause seismic activity on Apophis when it makes its close approach in 2029.