| | January 13 Happy Julian New Year 🎉 | | | |
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| | | | | Holy cow! Astronomers study mysterious blast | | AT2018cow - aka the Cow - erupted in or near a galaxy some 200 million light-years away. It's become one of the most intensely studied astronomical events in history. Read more and see a video. What was it? One group argues it was a monster black hole shredding a passing star. The other argues it might have been a black hole being born. Image via Sloan Digital Sky Survey. | | | | | |
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| | | Tonight ... See Mars near the moon | The moon has swept past Mars, but can still help you identify it. Mars is the bright red object near tonight's moon. Read more. | | | | |
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| | Will star Betelgeuse explode? | Yes, it will. The red star Betelgeuse will run out of fuel, collapse under its own weight, and then rebound in a spectacular supernova explosion. Someday ... but probably not soon. How to see Betelgeuse in your sky. Photo by Thomas Wildoner. | | |