EarthHow Planet Nine may have been exiled to solar system's edge If the giant planet announced this week actually exists, we can already explain how it got there - and how it solves a mystery about the worlds we see around other stars News
SpacePhilae lander fails to respond to last-ditch efforts to wake it A signal sent to comet 67P/Churyumov-Gerasimenko last night received no response, suggesting the famous space lander has reached the end of its life News