The Wolf Moon — the first full moon of the year and of winter in the Northern Hemisphere — will be best seen on Jan. 14, ...

Everything you need to know about the full “Wolf Moon,” including exactly when, where and how to see it at its best from ...

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

The full moon will pass in front of Mars on Monday. Look up at the night sky on January 13 and see two celestial events ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.

Researchers accounted for the previously overlooked structures of the dwarf planet and moon in computer simulations of a ...

The European and Japanese robotic explorer swooped as close as 183 miles (295 kilometers) above Mercury's night side before ...

"BepiColombo's main mission phase may only start two years from now, but all six of its flybys of Mercury have given us invaluable new information about the little-explored planet." ...

With 10 instruments and technology tests, Firefly Aerospace's Blue Ghost lander is part of NASA's Commercial Lunar Payload ...