Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

The planets offer exciting views in April for both night owls and early risers. Plus, the Lyrid meteor shower peaks in ...

So then, why does the moon appear bigger sometimes? The answer may have more to do with you, and where the moon is hanging in the sky, than the moon itself. Keep reading to learn more about the size ...

Ganymede, Jupiter's largest moon, is one of the most fascinating bodies in the Solar System. With a diameter of approximately 5.268 km, Ganymede is larger than the planet Mercury, making it the ...

This week's full moon will come with a special treat – a total lunar eclipse, which will turn the moon a spooky blood red color. While the eclipse will last from 1:47 a.m. EDT to 4:10 a.m. EDT ...

Athena didn’t crash. But what did happen to it? Hours after the 15-foot-tall robotic spacecraft arrived at the moon’s surface, closer to the lunar south pole than any spacecraft has been, it ...

A robotic lander named Athena has made its final descent to the moon’s surface, marking the second lunar touchdown for a US company this week. But the orientation of the lander is currently unknown.

On the night of March 13 into March 14, skygazers across North America—along with many other parts of the world—will get the chance to see a total lunar eclipse with a red ghoulish hue.