December 10, 2017, 3:32:46 PM EST
Locally windy conditions will keep the fire danger elevated across Southern California through the first half of this week as air quality concerns mount. more
A tiny slowdown in Earth's rotation next year could trigger more earthquakes than usual, new research suggests.
Sometimes Earth looks like a whole 'nother planet.
Explore the real-life mysticism of Salem, Massachusetts.
America's national parks and monuments are at risk.
NASA's OCO-2 satellite observed carbon dioxide response to one of strongest El Niños on record.