SpaceRosetta probe poised to touch and taste a comet Now that it has finally reached comet 67P/Churyumov-Gerasimenko, the Rosetta spacecraft is ready to help tackle the question of how Earth got its oceans 51¶¯Âþ
PhysicsHigh-precision hydrogen clock to hunt for new physics An ultra-precise clock that ticks to the rhythm of hydrogen molecules could offer a way to probe particle masses and look for signs of odd behaviour 51¶¯Âþ