For some viewers, President Trump's July 3 speech at Mount Rushmore represented love of country. Others saw it very differently.
A strong mind was key to surviving the monotony faced by Antarctic explorers enduring the isolation of long, remote winters.
New research forecasts that climate change will make multiyear stretches with low snow levels more common across western North America – bad news for water managers, farmers, foresters and skiers.
Patriotism means pride in country, but what are we proud of? A former national park ranger suggests that visiting historic sites can remind Americans of the heritage, good and bad, that they share.
Dozens of cities, states and nations are enacting bans and restrictions on single-use plastic bags and other items. A legal expert explains how a global treaty could build on these efforts.
Utah's new 'free-range' parenting law restores certain rights to parents regarding when they can leave their children unattended. But does the law go too far or not far enough?
It's the Tasmanian devils that enjoy the highest survival and breeding success who're more likely to get the fatal facial tumour disease.
Republicans in Congress are working to kill an Obama administration rule that broadens public input into federal land use planning. Hunters, fishermen, hikers and environmental groups are opposed.
New research suggests devils are evolving rapidly in response to their highly lethal transmissible cancer, and that the devils could save themselves.
Researchers have used gadget-laden collars to record cheetahs’ movements in the wild. They found that cheetahs succeed not…