Looking like laser lights from a Metallica concert, this is not your typical aurora borealis.
Nine of the 10 hottest years on record all occurred after 2000, says NASA.
Climate change will mean more frequent and more powerful El Niños, say researchers.
Inside one German man's obsession with building a booze-delivering UAV.
Americans and Europeans are partly to blame for the smog floating over the Pacific, say researchers.
International boundaries look a lot different when you judge a country by its greenhouse-gas emissions.
Here's a new take on the old frying-an-egg-on-the-sidewalk trick.
Meet the "Crittercam."
A journey into the surreal carnival that is nighttime in Manchester and Newcastle.
"TransportBuzz" channels collective anger over train delays, backward-facing seats, and really sneezy passengers.
This year, there's virtually no powder on the ground in the drought-stricken state.
The nano-turbines are so small that hundreds could fit inconspicously on a phone's sleeve.
The fluffy-white hunters are everywhere this year, from New York to Baltimore all the way down to Florida.
They look like snowballs that would dent a tractor.
The blood-feasting insects seem more active in the summer, according to new sleep-killing research.
Where one man's fascination with burgers and New York's MTA intersect.
If you want your newborn to live a long life, try traveling to Europe.
An escaped chunk of the Polar Vortex caused this weird-looking mass emanation of vapors.
A slaughterhouse injects meat with water from dirty ponds.