Preparedness for asteroids like 2017 YZ4, which NASA classifies as a Near-Earth Object (don't worry, it should still pass no closer than around 130,000 miles from Earth) is a somewhat divisive field.

Asteroids NASA raises the odds that an asteroid could hit the moon in 2032. ... The good news is you never heard about a large asteroid hitting Earth in the fall of 2017.

Record-Breaking 2,000 New Asteroids Approached Earth in 2017 and Astronomers Expect to Spot Even More in 2018 Published Jan 03, 2018 at 1:12 PM EST Updated Jan 03, 2018 at 5:12 PM EST ...

The asteroid, named Florence, is an almost 3-mile-wide rock that passed about 4.4 million miles from Earth (7 million kilometers) early Friday, NASA says. And while a few million miles sounds like ...