(via minutephysics) We think of the moon as orbiting the earth, following a spiraling trajectory as the earth itself orbits the sun. But this is wrong. Not only is the moon's orbit NOT a spiral ...

Astronomers have found a space rock that has been quietly hanging around Earth for decades: a tiny asteroid named 2025 PN7. This so-called “quasi-moon” isn’t a true moon or a mini-moon, because it ...

A shy space rock is making its lunar debut. Astronomers believe they’ve discovered another so-called quasi-moon of Earth, though it’s likely been circling undetected in near space for decades. Dubbed ...

This new quasi-moon is an Arjuna asteroid — one of a cluster of more than 100 small bodies with orbits almost identical to Earth’s. These asteroids move around the Sun in almost the same orbit as ...

Astronomers have discovered a small asteroid that has been quietly accompanying Earth on its journey around the sun for the past 60 years, according to research published in September. The celestial ...

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet unseen by telescopes for about 60 years, according to new research. The newly ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. A new study simulated how ...

If 1 million satellites were positioned at different points between Earth and the moon, less than 10% would survive long enough to be worth the hassle of sending them up in the first place, new ...