Wed, Aug 13, 2014 at 11:36 PM
Pennsylvania's Coudersport Ice Mine, a mysterious cave that only forms ice in the heat of summer, has reopened for the first time in a quarter century.
Mon, Jul 21, 2014 at 2:18 PM
At Fly School Circus Arts in Philadelphia, and flying trapeze schools throughout the country, kids and adults learn they can do much more than they previously thought possible.
Mon, Jul 14, 2014 at 9:30 AM
The algal blooms occur fertilizer runoff feeds the runaway growth of cyanobacteria. This algae sucks up oxygen and can emit toxins that injure humans and animals.
Thu, Jul 03, 2014 at 11:18 AM
Keep these four surprising facts in mind anytime you're near a beach with breaking waves.
Wed, Jun 11, 2014 at 3:29 PM
These incline railways range from precipitous mountainside crawls to unique underground excursions. Aside from fantastic views, they give riders a look at transit history.
Wed, May 14, 2014 at 1:30 PM
Video: A pair of Australian cattle dogs at the Pittsburgh Zoo prove size doesn't matter when it comes to herding.
Wed, May 14, 2014 at 10:33 AM
NerdWallet looked at social opportunities, affordability and walkability to determinethe 20 top cities for dog ownership. Guess which city topped the list?
Wed, Apr 30, 2014 at 12:58 PM
A new report from the American Lung Association finds that nearly 148 million Americans breathe unhealthy air.
Mon, Apr 14, 2014 at 8:00 AM
These adorable baby animals are more than simply cute; they're living symbols designated by state governments to honor regional natural history.
Mon, Apr 07, 2014 at 9:44 AM
Video: Hundreds recently turned out to watch the world's largest game of Tetris played on the side of Philadelphia's 29-story Cira Centre building as part of Philly Tech Week.