EPA warns South Dakota residents to stay indoors as PM2.5 pollution hits “very unhealthy” levels, per AirNow AQI readings.

Two brothers, both mechanical engineers, are climbing many of the world’s tall peaks to prove they have been measured ...

A Russian submarine was discovered escorting the Yantar while it examined a gas pipeline running between Britain and Ireland ...

Chester Moore says the first image was taken in the Piney Woods of East Texas, near the Louisiana border. He stresses that ...

Everyday technology is quietly evolving from helpful assistant to potential informant, and the shift is happening inside the ...

Grand Portage State Park sits at the very tip of Minnesota’s Arrowhead region, mere footsteps from the Canadian border, offering an escape so beautiful it seems almost therapeutic in its ability to ...

For those making the long drive across Nevada’s highways, 487Grill serves as both destination and reward. After hours of hypnotic asphalt cutting through sagebrush plains, arriving at this unassuming ...

Travel experts recommend Grand Canyon National Park and Yellowstone National Park as the best choices for first-time visitors ...

On a typical day, many of the people lined up outside the grand National Archives building in Washington are there largely to see one thing: the faded parchment ...

While the marine heatwaves killing the kelp ecosystem were alarming on their own, the researchers have discovered a new ...