Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.

The recently spotted asteroid 2025 PN7 appears to be the source of the rumor mill about Earth's supposed second moon. Earth has several quasi-moons that get their name due to the fact that they ...

What is “down” in the vastness of space? Scientists reveal how gravity, cosmic planes, and perspective redefine direction, ...