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

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

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

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 ...

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 ...

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 ...

Most animals, including humans, carry an internal lunar clock, tuned to the 29.5-day rhythm of the moon. It guides sleep, ...

Jeff Bezos’ rocket company gave NASA a brief taste of the moon’s gravity Tuesday, without straying too far from home. Blue Origin launched the 29 lunar technology experiments to the edge of space from ...