For most of us, gravity is the tug that pulls us home. Every time we slip off a ladder or somersault into a swimming pool, we feel the planet pulling us back. Austrian stuntman Felix Baumgartner took ...

IS GRAVITY left-handed? An answer could provide a clue to a long-sought theory of quantum gravity – and might be within our grasp by 2013. General relativity describes gravity’s actions at large ...

A Jim Lattis, director of the UW Space Place at the University of Wisconsin-Madison: There’s actually gravity pretty much everywhere. But why do we feel gravity more here on the surface of the Earth ...