For the next half-century, Earth will have a new celestial companion. A small asteroid, officially designated 2025 PN7, has been confirmed as a quasi-satellite—a rare type of near-Earth object that ...

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 ...

For centuries, the planet Earth has called the Moon its only natural companion. But new findings suggest Earth may not be a one-moon world after all. According to NASA, our planet is currently ...

This could be bad news for satellites and spacefarers. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A weak spot in Earth's protective magnetic ...