Vice- The future of spaceflight will be powered by ion engines and warp drives, right? Not just yet. There is still some uncharted territory in the world of liquid-fueled rockets, which have been powering spacecraft since the 50s, and SpaceX is testing the waters with its new Raptor engine. It could be the engine that, if Elon Musk gets his wish, propels the first colonists to Mars.
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.
