“If I know we're working out on a leg day, I'll have [my client] hop on the stair climber first for 15 minutes to warm up ...

Weight loss during physical activity depends on work expended; classical mechanics defines work as force moving an object.

Shocking before-and-after images of NASA's stranded astronauts show the terrifying damage that months spent in the harsh ...

Getting to outer space is tough, but living there presents a whole new slew if issues. Check out how astronauts accomplish ...

When Nasa astronaut Sunita 'Suni' Williams, 59, returned to Earth this week, after being stranded in space for 288 days, the ...

WELCOME to Mars – where the air is too thin to breathe and the surface temperature is too cold for unsheltered life. Yet the ...

'If I know we're working out on a leg day, I'll have [my client] hop on the stair climber first for 15 minutes to warm up because we're pushing and forcing all of the blood into the muscles that we're ...

Astronauts floating around weightlessly inside the International Space Station may be fun but the absence of gravity has its ...

Astronauts who have travelled on space missions earlier have reported facing difficulty in walking, having bad eyesight, ...