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

Ask a group of people to name the most amazing thing they have seen in the daytime or nighttime sky and you may get answers like: the total solar eclipse of August 2017, Venus’ solar transit ...

Astronomers have sent artificial satellites (satellites that are manmade) to orbit several Solar System objects, including Jupiter, the asteroid Vesta and Mars. Polar orbits take the satellites ...