Jupiter and Mars will appear to make ultraclose approaches to the moon on two nights this week. Here's how to get the best ...

NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

But it won't be a star that will be keeping the moon company on this early winter's evening, but the largest planet in the ...

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

Here's when and how to watch the next full moon and February's rare planetary parade across Pennsylvania skies, starting with shiny and bright Venus.

Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...

This is the last chance to catch the pair in conjunction this year—with Venus set to be unusually bright in the night sky.

While all zodiac signs will be graced with fresh opportunities and new beginnings in the weeks surrounding the new moon, ...