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

"With the Earth and quasi-moon taking turns passing each other, the quasi-moon appears to be moving around us," Ponterio said ...

2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that ...

Asteroid 2025 PN7, which was recently discovered, turns out to be a quasi-moon, an object that orbits close to the Earth. It ...

This article originally published at Spooky Sun 'smile' hides a powerful surprise for Earth.

Technically, it's not a real moon. It's what scientists call a quasi-moon—a space rock that doesn't orbit Earth directly but ...

Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...

(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 ...

Supermoons only happen three to four times a year, and always appear consecutively. Throughout most of Earth’s orbit around the sun, perigee and the full moon do not overlap. This week’s supermoon ...