Floating about in microgravity might seem like a blissful reprieve for the human body's weight-bearing skeleton, but when astronauts spend months in space, their bone density takes a serious hit that ...

The bone density of astronauts—of both the human and rodent variety—decreases in space. Researchers report April 19 in the journal Cell Reports that changes to the gut microbiomes of space travelers ...

In the evolutionary arms race between predator and prey, mammals have mostly gotten the short end of the stick when it comes ...

Scientists discover how bones “listen” to exercise and activate cellular signals that strengthen bone structure.

A newly discovered hormone that keeps the bones of breastfeeding women strong could also help bone fractures heal and treat osteoporosis in the broader population. Researchers at UC San Francisco ...