ESA announces triple-spacecraft mission to intercept an incoming "dynamically new" comet

ESA has given the green light to launch a triple spacecraft mission designed to make the first flyby of a comet visiting the inner solar system for the first time. Part of the space agency’s Cosmic Vision Programme, the “Comet Interceptor” mi… Continue reading ESA announces triple-spacecraft mission to intercept an incoming "dynamically new" comet

Earth-buzzing comet found carrying "ocean-like" water

Earth is a famously wet planet, but where all that water came from in the first place remains a mystery. The most commonly-accepted theory is that comets and asteroids delivered it via impacts during the early days of Earth, and now a NASA st… Continue reading Earth-buzzing comet found carrying "ocean-like" water