Need great weather information, and need it fast? Here's info on NOAA Weather Radios, and a list of great sources to follow via Twitter, and some recommended apps.
The Galapagos Islands, whose separateness was so pivotal to Charles Darwin's contributions to the theory of evolution, are not separate at all when sea level is low.
There's a point called Two Ocean Pass on the Continental Divide. It separates the headwaters of Pacific Creek (which flows west to the Pacific) and Atlantic Creek, (which flows east to the Atlantic Ocean).
Mountaineers began leaving Mt. Everest yesterday, as Sherpas refuse to climb again this year, out of respect for 16 who died in last week's deadly avalanche.
Step outside and take a picture of yourself. Then post it to social media, using the hashtag #GlobalSelfie. NASA will use your photos to create a mosaic image of Earth.
Arctic sea ice reached its maximum extent for the year on March 21, 2014, according to the National Snow and Ice Data Center. It was the fifth lowest on record.
New research suggests that the trend could continue as climate change causes temperatures to rise and drought to become more severe in the coming decades.