Recent simulations link the creation of Pluto and its moon Charon to a colossal impact, akin to the Earth-Moon origin, ...

Firefly’s first lunar delivery is scheduled to launch tomorrow and will land near a volcanic feature called Mons Latreille ...

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 ...

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 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 ...

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

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.

For decades, astronomers suspected that Pluto and Charon formed through a process similar to Earth and the Moon. This theory, ...

How old is the Moon? Astronaut-gathered samples from the lunar surface put its age at about 4.35 billion years. However, ...