Now, overnight tonight, we have a blood Moon to look forward to, for the first time in almost two and a half years. If you’re a bit of a space nerd or would just love to witness something so beautiful ...

This Thursday night, for the first time in nearly two-and-a-half years, our planet's faithful companion is going to get fancy and put on a lovely shade of rouge. What once may have been interpreted as ...

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

The boundaries between planet Earth, the moon, and deep space just got fuzzier. According to a new analysis of data recorded by a spacecraft more than 20 years ago, the outer fringes of our cozy ...

A "blood moon" happens when Earth's moon is in a total lunar eclipse. While it has no special astronomical significance, the view in the sky is striking as the usually whitish moon becomes red or ...

Many of the planets in our solar system have multiple moons, and some even have dozens of large objects cruising around in orbit around them. Earth, by contrast, has just one large moon.

That event was unique in that it was the first total lunar eclipse to be observed by the Blue Ghost spacecraft on the Moon's surface. The image shows a red ring with a brilliant diamond, which was the ...

Illustration of a stage in the formation of the Earth-moon system. The Earth had recently formed (4,600 million years ago) when it was struck by a large protoplanet, sometimes dubbed Theia ...