PBS6h
Why do skiers sunburn so easily? A snow scientist explains
The powdery snow that skiers and snowboarders love, especially on crystal clear days, plays a big role in how much your skin ...
Rare planetary spectacle: All 7 planets align in stunning night sky view
A rare full seven-planet alignment will be visible in the early night sky between Feb. 22 and 28. We have the tips you need to best see all the planets.
Live Science10h
NASA supercomputer reveals strange spiral structure at the edge of our solar system
The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it ...
Westword12h
Why Do Skiers Sunburn So Easily on the Slopes? A Snow Scientist Explains
The slope and the direction that the slope faces, called aspect, also influences the intensity of the sun on a surface. North ...
A desperate, futile dash under a flaming sky: Min-by-min breakdown of what would happen if looming asteroid hits London
IT starts with a glimmer in the sky – just a pinprick of light, barely distinguishable from the stars. But this is no distant ...