Environment & Science

More than 2,600 acres on 35 farms in 18 counties across the commonwealth were preserved. Here are the Lehigh Valley farms now safe from development.

The yet-to-be-named calf was born Aug. 4 and is the tenth oryx calf born at the zoo since 2014.

As of Aug. 22, more than 300 raptors were counted during the Berks County sanctuary's annual autumn count. The count runs through Dec. 15.

Beginning Wednesday night, a super blue moon will rise and will be the third-largest moon to date this year, leaving one more supermoon in 2023.

The Pennsylvania Game Commission's Elk Cam gives viewers a close-up look at elk as their activity is about to ramp up with the bugling season. It features a rotating, zooming camera and natural sound.

Three studies show smoke from Canadian wildfires led to a spike in people with asthma visiting emergency rooms in the United States. One study collected data from about 4,000 U.S. hospitals.

The Weather Prediction Center said one inch per hour rainfall rates are possible, as well as “precipitation totals on the order of 1 to 2 plus inches through the period.”

The middle of August is prime time for ragweed pollen production, according to the state Department of Environmental Protection — and that’s exactly what the numbers are showing in the Lehigh Valley.

It is now certain, forecasters say, that the Lehigh Valley will not see a 90-degree day in the month of August. Not with a pool of Canadian air set to descend on the region.

With a roadmap toward spooky season, the Lehigh Valley’s weather looks to match the fall decor now blanketing stores across the region. Cooler temperatures are on the way.

The storm is being described as an “impactful extratropical cyclone” — the type that has cold air at its core and derives its energy from cold and warm air masses interacting.

Will the Lehigh Valley see a white Christmas? It could happen, forecasters say, but there's a larger concern from a very 'complex' storm that's taking shape — and coming this way.

The annual tradition for many doubles as a science fair you can take part in.

The Lehigh Valley is under a winter weather advisory from 5 a.m. to 5 p.m. Thursday for a mix of snow, sleet and freezing rain.

Many of the Lehigh Valley's tree farms are already sold out for the season, and farmers say the shortage shows no sign of easing any time soon.

A professor at Lehigh University breaks down what a recent, and historic, breakthrough in fusion ignition might mean for the future of clean energy and the potential student interest in the topic.

Love it or hate it, Lehigh Valley residents will likely see a wintry mess from a significant coastal storm coming later this week. Get the latest on timing, expected precipitation and more.

Marley Wait, of Macungie, is a cadet at United States Military Academy West Point. She was named one of the 40 students to win a prestigious Marshall Scholarship to support her studies when she graduates this spring.

Forecasters say where the storm tracks is going to be key to what we get in the Lehigh Valley, as well as the transfer of energy from the primary storm system to a secondary system. That will produce a coastal storm that will likely impact the area Thursday into Friday as it tracks north along the coast.

The real specimens that will be on display at Da Vinci Science Center are designed to compare and contrast healthy bodies and organs with those that are diseased, with an emphasis on common ailments along with cardiovascular issues and dementia.

A regulatory agency responsible for the water supply of more than 13 million people in four Northeastern states says it is banning gas drillers from dumping fracking wastewater in its watershed.

PennDOT will spend millions of dollars to start construction on major transportation projects including bridges, traffic circles, milling, paving and patching roadways and updating interchanges.