The northern lights are more formally known as auroras, and are caused by interactions between the solar wind and the Earth's magnetic field.
Graphene: The Miracle Material of the Future [INFOGRAPHIC]
Strange Quarks and Muons, Oh My! Nature's Tiniest Particles Dissected (Infographic)
HOW WE'LL LIVE ON MARS
From dark energy and string theory to the end of the Universe, these are the unanswered cosmic conundra that are still baffling scientists.
Not in English, but still lovely lovely math.
The Space Shuttle Challenger Disaster: What Happened? (Infographic)
The Eclipsing Demand of the East: The Gold Series Part 3
Physics of Car Rollovers