Mysterious Dark Comets Could Unlock Solar System Secrets

Scientists have found 14 "dark comets" in our solar system that behave like comets but show no visible signs of activity. These are classified as larger "outies" with cometlike orbits and smaller "innies" in the inner solar system. Their discovery may shed light on Earth's water sources and impact planetary defense. New telescopes and a Japanese spacecraft mission in 2031 aim to provide more insights about these objects, potentially revealing information about comet evolution and early solar system water delivery.