Green comets, new planets, and images that have astronomers rethinking the Big Bang

If a green comet on a 50,000-year journey doesn't pique your interest, how about NASA announcing the discovery of a new planet in the habitable zone? Or new images from the James Webb Telescope that are causing us to question what we think we know about the Big Bang and the beginning of our universe? We talk about all of it with Kelly Beatty, senior editor for Sky & Telescope Magazine.