Earth, asteroid

BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.
When NASA launched a spacecraft to an asteroid, scientists patiently waited for their chance to look at bits of the space ...
NASA and ESA are monitoring asteroid 2024 YR4, with an estimated size of up to 328 feet and a 1.2% chance of impacting Earth.
A NASA spacecraft has returned asteroid samples that hold not only the pristine building blocks for life but also the salty ...