Gravity is the universe’s most important fundamental force. It dominates every moment of our existence on this planet, and yet we really don’t appreciate gravity as much as we should. Gravity is the ...

Johns Hopkins Medicine scientists who arranged for 48 human bioengineered heart tissue samples to spend 30 days at the International Space Station report evidence that the low gravity conditions in ...

Space travel is heating up, both by NASA and private enterprises, with bold adventurers and scientists looking to eventually send humans to Mars. One of the challenges of such a multiyear mission in ...

“Gravity” may be the best movie ever made about being up in space. I don’t mean inside a space station. For most of this movie, the astronauts are outside. Whether tethered or strapped in jet packs, ...