Blood-testing startup Theranos Inc. will fire about 41 percent of its employees after months of regulatory setbacks, lawsuits and scrutiny, saying it is paring down to focus on a new product.
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.