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

It has now been tested at the European Astronaut Centre in Cologne. Whether for repairs, sensor replacements or the installation of new equipment – space station missions require extensive crew ...

Axiom Space seeks to expand the human presence in space by building commercial modules for the International Space Station.

Cryptocurrency billionaire Jed McCaleb is spearheading an ambitious effort to build the world's first privately developed ...