because the illuminated side of the moon is facing away from Earth, toward the sun. The moon is also in the sky during the day, and without its Earth-facing side illuminated by the sun ...

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

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

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

En route to land on the moon, a spacecraft snapped views of Earth eclipsing the sun. The Blue Ghost lunar lander, built by the Texas-based company Firefly Aerospace for NASA, launched to space on ...

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