NASA’s asteroid trackers have just watched a school‑bus‑sized space rock make a safe, distant pass by our planet, part of a ...

When we think about asteroids that could threaten Earth, we often imagine massive, city-sized rocks hurtling through space. But what if the real danger comes from much smaller, barely detectable ones?

The asteroid is of a similar size as the one that exploded over Chelyabinsk in 2013. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The ...

Much remains to be known about the chemical composition of small asteroids. Their potential to harbor valuable metals, materials from the early solar system, and the possibility of obtaining a ...

Space mining often sounds like a fast route to endless metals. In practice, the first question is simple: what are small ...

It was only a few days ago that a certain fear-mongering website named, ahem, Ars Technica published an article about the prospect of a killer asteroid striking the planet Earth in the year 2032. At ...

Much remains to be known about the chemical composition of small asteroids. Their potential to harbour valuable metals, materials from the early solar system, and the possibility of obtaining a ...

Analysis of C type asteroid samples supports use as sources of metals and primordial material and helps target missions and resource technology. (Nanowerk News) Much remains to be known about the ...

Add Yahoo as a preferred source to see more of our stories on Google. Meteorite chemistry shows which primitive asteroids may hold usable metals or water, and why most space mining remains difficult. ...