Environment & Science

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.

Shopping not your thing? #OptOutside and join the movement started by specialty outdoor retailer REI in 2015 as a way to encourage people to reconnect with nature. We've got a list of places to check out across the Lehigh Valley.

Local officials warn residents never to pour fats, oils and grease (FOG), into the sink because it can harden and cause blockages in pipes.

Lafayette Junior Remy Oktay flew a Pipistrel Alpha Electro about 500 feet above Fisher Stadium on Saturday.

Animal response workers cared for up to 5 dogs and a cat at Nitschmann Middle School as they sheltered with their people.

A hot, dry July this year slashed yields for many Lehigh Valley farmers this year, just as prices for fertilizer hit all-time highs. Now, Northampton County is offering help them implement new practices that could let them use less.

Officials offer 6 tips to keep Pa. consumers' energy costs down and keep warm as temperatures drop.

The Lehigh Valley had its first taste of snow on Tuesday, and the National Weather Service says temperatures will run 10 to 15 degrees below normal through the weekend.

The official start of winter comes Wednesday, Dec. 21. But snow could fly in the Lehigh Valley on Tuesday, with a winter weather advisory to our north.

Civil engineering association ASCE gave the state the same grade it did in 2018 as the commonwealth continues to face challenges improving its infrastructure, but optimism is strong a year after the Bipartisan Infrastructure Bill was signed.

A songwriting workshop at Broughal Middle School stems from a partnership between the Any Given Child program and Icehouse Tonight.

Certain doses of the ADHD drug Adderall are in short supply. Experts from the Lehigh Valley share their perspectives on causes and complications.

Election Day is shaping up to be a classic fall day across the Lehigh Valley and the rest of the region. It's what will come later this week that's likely top-of-mind for weather watchers.