No one, presently, sees the Moon rotate like this. That's because the Earth's moon is tidally locked to the Earth, showing us only one side

The Crab Nebula is cataloged as M1, the first object on Charles Messier's famous list of things which are not comets. In fact, the Crab is now known to be a supernova remnant, expanding debris from the death explosion of a massive star

Seen as a seagull and a duck, these nebulae are not the only cosmic clouds to evoke images of flight

Every journey has first step and every catalog a first entry

What might you see in the night sky over the next few months?

Is it possible to capture the entire plane of our galaxy in a single image?

What would it be like to orbit the Earth?

This might look like a double-bladed lightsaber, but these two cosmic jets actually beam outward from a newborn star in a galaxy near you

Look at the Moon every night and its visible sunlit portion gradually changes

Combined image data from the massive, ground-based VISTA telescope and the Hubble Space Telescope was used to create this wide perspective of the interstellar landscape surrounding the famous Horsehead Nebula