As of Monday morning humans have lived consecutively in space for 15 years. That's longer than the iPod has existed and before Americans first learned of hanging chads during the contentious election between Al Gore and George W. Bush. During that time more than 220 astronauts and cosmonauts from 17 countries have visited and lived on the $140 billion International Space Station.
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.