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

Much of what scientists know about the early solar system comes from meteorites—ancient rocks that travel through space and survive a fiery plunge through Earth's atmosphere. Among meteorites, one ...

The Hoba meteorite weighs about 60 metric tons and has never been moved. It lies on a farm in Namibia, right where it fell ...