Feeling romantic for Valentine’s Day? Our gift ideas cover everything from silky-smooth loungewear, must-have electronics, ...

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

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

A French astrophotographer has captured a stunning photo of Venus and the moon shining above the Eiffel Tower in Paris, ...