University of Colorado Boulder astrophysicist Jeremy Darling is pursuing a new way of measuring the universe's gravitational ...

For example, when you apply a force to push ... Friction can sometimes be useful and sometimes it can be a nuisance. Gravitational force is experienced by a mass when it is sufficiently close ...

In this week’s Science for All, Vasudevan Mukunth explains how ultra-cold atoms and lasers in space can measure how much the ...