For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

Let’s take a look at this model. The Sun is a star ... The Moon appears bright because it reflects light from the Sun. Like the Earth, half of the Moon faces towards the Sun, and half faces ...

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the ...

Firefly Aerospace's Blue Ghost lander, a private spacecraft hired by NASA to take experiments to the moon, is flying laps ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

It is thus only fitting for a goddess to be named for none other than the door hinge: Cardea. And now, thanks to Clay ...

The larger moons of Pluto and Earth likely formed through a collisional process with Charon and our moon, respectively, ...

O ne of Earth’s seven quasi-moons has just got a new name: Asteroid 2004 GU9 is now known as Cardea, one of the Roman deities of doors and thresholds with a particular focus on hinges.

STOCKHOLM (AP) — A Swedish artist is about to have the dream of a lifetime fulfilled: A little red model house he created will be launched into space this week and, if all goes according to plan, put ...