Human health is the Achilles heel of space travel. Researchers at ETH Zurich have now succeeded in printing complex muscle tissue in zero gravity. This will enable drugs for space missions to be ...

First, “you are going to get less protein per volume of food from plant-based foods than animal foods,” she exp ...

You don’t need a gym membership or a rack of dumbbells to get strong. With just your bodyweight and a little space, you can build serious muscle and strength — zero equipment required. Bodyweight ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Achieving strong, defined arms or legs is about more than just lifting weights. A ton goes into growing ...