ScienceKiller bus-sized asteroid flies dangerously close past Earth An asteroid called HL129 just barely missed the Earth on 3 May. If the speedy body struck our planet, it could have destroyed a city.by James Maynard
ScienceBoeing shares ambitious dream of new commercial spacecraft (and it looks uber cool)by James Maynard
ScienceConsumption of sports and energy drinks may prompt teens to make unhealthy choices: Studyby Jim Algar
ScienceUN chief: 'Climate change is defining issue of our time, urgent action needed.'by Alexander Saltarin