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

The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

The discovery points to what astronomers have thought for decades, that Saturn's rings were caused by a massive collision about 100 million years ago.

"If the moon and a planet are near Castor and Pollux you have an impressive show." From our earthly perspective, the moon and Mars will appear closest to each other at around 8 p.

Firefly Aerospace on Monday announced the conclusion of its Blue Ghost lunar lander mission, declaring it the first “fully ...

But in a wonderful bit of cosmic serendipity, the moon is also 400 times closer to us, which results in the solar and lunar disks appearing to be exactly the same size in our sky, making for a ...