NRM: "Struggling to sleep? You’re not alone, as 22% of Britons feel the same way. Luckily, research has found a cure - spending time outdoors away from artificial light sources, such as your smartphone or laptop. Doing this can reset your biological clock and help you sleep longer."
The supermassive black hole is 40 million times as massive as the sun and powers a quasar that existed 700 million years after the Big Bang.
The asteroid zoomed by Earth at a perfectly safe distance of around 1.8 million miles (2.9 kilometers).
Images show surprise changes to the spacecraft as it interacted with the atmosphere.