NASA, Earth and asteroid

The wannabe asteroid, announced on Jan. 2 as 2018 CN41, is actually a Tesla Roadster launched into space years ago by SpaceX ...
BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.
The planet that the asteroid was once a part of contained a salty ocean. Scientists found 11 minerals in the samples, but more importantly, they found 14 out of 20 key building blocks for life -- at ...
YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a non-threat.