Is Comet ISON Dead? Astronomers Say It's Likely After Icarus Sun-Grazing Stunt

Update, 4:40 p.m. EST: On Twitter, the European Space Agency (quoting SOHO scientist Bernhard Fleck) said the comet is gone. Separately, the Naval Research Laboratory’s Karl Battams posted that he thinks recent observations show debris from ISON, but not a nucleus. Astronomers are still monitoring, however. Real-time images are available on this website. Update, 3:56 p.m. EST: Something has emerged […]