Astronomers detect "wobbling high-latitude jet" in comet 3I/ATLAS, according to a preprint paper. A new mutation of flu strain A (H3N2) is driving an increase in influenza cases and hospitalizations. Bears in central Italy are evolving to become smaller and less aggressive after interacting with humans, study finds.

As of Wednesday, Dec. 17, the moon phase is Waning Crescent. This means only 6% of the moon is lit up tonight, according to NASA's Daily Moon Observation. If you don't have any visual aids, you won't be able to see anything. However, with binoculars and a telescope, you should be able to see the Grimaldi Basin.