Researchers mapped Earth’s ionosphere, part of the upper atmosphere, using signal data from 40 million phones – a method that ...

The Arctic’s era of “high north, low tension” is over, and Washington may be underprepared for the region's shifting dynamics ...

Only a few thousand years ago, the planet's geography was drastically different than it is today. Massive ice sheets stored ...

At the bottom of Buffalo Ford Lake at Yellowstone National Park, researchers have found interesting clues about the natural ...

While California has a large proportion of the richest billionaires, it has a median household income of $91,551.