From the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics experiments that changed the world.

From Newton’s falling apple to Einstein’s curved spacetime, our understanding of gravity has come a long way, yet this ...

Science is a story of coming up with theories then doing our best to disprove them. That is especially true for theories on a ...

For all our telescopes and colliders, dark matter has remained an elusive ghost for the better part of a century. It ...

French researchers simulating weightlessness on a modified jet have found that manual cardiopulmonary resuscitation (CPR) is ineffective in space. This conclusion could reshape emergency medical ...

Nuclear fusion promises a green and infinitely renewable supply of energy—if we can harness it. Fusion happens all the time ...