SpaceBuilding blocks of life spotted around comet for the first time The Rosetta spacecraft has detected biological components glycine and phosphorus emerging from its comet - suggesting life on Earth could have arrived on a ball of ice News
SpaceDwarf planet Ceres looks like an asteroid but acts like a comet Shiny spots and minerals on Ceres suggest it may have been born in the outer solar system, and that our classification of asteroids and planets is wrong News