The sun's gravity will pull the moon farther away from Earth than it's been in over five years on Nov. 19, though it'll be ...

The moon goes through a repeating cycle of phases each month, changing what we see every night. This is called the lunar cycle. The lunar cycle is a series of eight unique phases of the moon's ...

A year after discovering Pluto's fourth moon, "P4," astronomers have learned of a fifth thanks to new images from the Hubble Space Telescope. Inventively named "P5," the moon is believed to be between ...

Peering to the outskirts of our solar system, NASA’s Hubble Space Telescope has spotted a small, dark moon orbiting Makemake, the second brightest icy dwarf planet after Pluto in the Kuiper Belt. The ...

NASA is using the unique capabilities of the Hubble Space Telescope for a new class of scientific observations of the Earth’s moon. Hubble’s resolution and sensitivity to ultraviolet light have ...