A fresh assessment of a distant risky asteroid brings good news: it’s even less of a threat than astronomers had feared. The chances of an asteroid dubbed 1950 DA crashing into Earth were always tiny and long in the future. As of 2015, scientists had calculated that the object had a 1-in-8,000 chance of impacting Earth in the year 2880. But a new analysis knocks the asteroid out of the top spot of NASA’s list of known asteroids that
