When the soft, cushion-like disks in the spine become injured or start to bulge, the effects can be debilitating.
Starlust on MSN
NASA's Habitable Worlds Observatory: 5 key features of the upcoming mission to search for alien life
The mission is still in the early stages of its conception, with contracts given recently to firms.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results