On Monday night you may have a chance to witness the moon obscuring the Red Planet at its brightest, as well as a comet’s ...

The Wolf Moon will reach its peak fullness at 5:27 p.m. Eastern Time on January 13. It will rise in the sky about an hour ...

Did you ever wonder where the Moon came from? Is it where it is by chance; is there a story to be told; or can science give ...

Since New Horizons' close encounter with Pluto 10 years ago, experts have come to think of the dwarf planet as much more ...

Geologically, Mars is very reminiscent of the moon. But it also looks a lot like the Earth. It all depends on who you ask.

Tonight (Jan. 13), bright Mars will disappear behind the full Wolf Moon for several hours before reappearing on the other side. It's the only lunar occultation of Mars visible from the U.S. this year.

A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large fraction of the size ...

Pluto's big moon Charon may have a different origin story than scientists suspected. New research suggests the two bodies ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a ...

An opportunity to see the moon occult a bright planet at night does not happen too often; for Mars, a specific location on Earth can see it happen (on average) once about every 14 years.