Astronomers find asteroid with 1% chance of hitting Earth

Astronomers are closely monitoring Asteroid 2024 YR4 as it heads towards Earth. Should we be worried about it? Here's what ...
BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.
A NASA spacecraft has returned asteroid samples that hold not only the pristine building blocks for life but also the salty ...