Which moon is this? It’s Earth’s moon — but in inverted colors. Here, the pixel values corresponding to light and dark areas have been translated in reverse, or inverted, producing […]

Yes, but can you see the lion? A deep exposure shows the famous dark indentation that looks like a horse’s head, visible just left and below center, and known unsurprisingly […]

This was a very unusual type of solar eclipse. Typically, it is the Earth’s Moon that eclipses the Sun. In 2012, though, the planet Venus took a turn. Like a […]

From somewhere else in the Milky Way galaxy, Comet 2I/Borisov was just visiting the Solar System. Discovered by amateur astronomer Gennady Borisov on August 30, 2019, the first known interstellar […]

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 mere 46 million light-years distant, spiral galaxy NGC 2841 can be found in the northern constellation of Ursa Major. This deep view of the gorgeous island universe was captured […]

What’s happened to our Sun? Last month, it produced the largest prominence ever imaged together with a complete solar disk. The record image, featured, was captured in ultraviolet light by […]

What are these two bands in the sky? The more commonly seen band is the one on the right and is the central band of our Milky Way galaxy. Our […]

“Oh my God! Look at that picture over there! Here’s the Earth coming up. Wow is that pretty!” Soon after that pronouncement, 50 years ago today, one of the most […]

Large spiral galaxy NGC 4945 is seen nearly edge-on in this cosmic galaxy close-up. It’s almost the size of our Milky Way Galaxy. NGC 4945’s own dusty disk, young blue […]