Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient ...
BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.
An asteroid with the power to unleash an explosion one hundred times greater than the atomic bomb has triggered global space ...
When NASA launched a spacecraft to an asteroid, scientists patiently waited for their chance to look at bits of the space ...