Just four days after it passed in front of the Pleiades star cluster, the moon will cross paths with another noteworthy celestial object on Monday evening, Jan. 13, when it will cover the planet Mars, ...

Earth and the planetary object that gave rise to the Moon were likely born in the same region of the solar system.

Phobos is the larger and innermost of Mars' two moons, and it's a fascinating celestial body. It's small, irregularly shaped, and orbiting just about 6,000 kilometers above the surface of the Red ...

According to researchers, the composition of a planet or celestial body holds the entire story of its formation and origin.

(CNN) — Keep an eye on the sky Monday evening to see the wolf moon, the first full moon of the year. And some sky-gazers will be able to glimpse a cosmic magic trick when the moon appears to pass in ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at its closest point to Earth in its orbit, and Hall had one question on his ...

The moon performed a cosmic ballet with Mars this week. On Monday evening (Jan. 13), the Full Wolf Moon passed in front of Mars in what's known as a lunar occultation, during which another celestial ...

The full moon will slide in front of Mars Monday evening in a rare planetary occultation. Occultations are like eclipses but instead of the Sun, it's a planet or a much more distant star being blocked ...

NASA is headed back to the moon, sort of, and they want you to join their mission crew as they work towards the inevitable ...

Keep an eye on the sky Monday evening to see the wolf moon, the first full moon of the year. And some sky-gazers will be able to glimpse a cosmic magic trick when the moon appears to pass in front of ...