Environment & Science

Early Monday, the National Weather Service issued a winter storm warning in effect for the Lehigh Valley for 7 to 10 inches of snow, with locally higher amounts over the higher elevations.

One area of potential concern at the Allentown State Hospital had been the presence of dioxins in the soil. Dioxins are a group of toxic chemical compounds that take a long time to break down in the environment, and can cause health problems in people.

Betelgeuse is the red supergiant star at Orion’s ‘right shoulder.’

Lehigh and Northampton counties are under a winter storm watch in effect from 12 a.m. to 6 p.m. Tuesday, with 4 to 8 inches of heavy, wet snow possible.

Take a look at stories that ran throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

It’s a special year for cicadas, insects known for their high-pitched mating songs. Two adjacent broods are expected to co-emerge for the first time in 221 years. Here's the next time they emerge in the Valley.

Northern flying squirrels are endangered, and the Pa. Game Commission works to improve their habitat. A group went searching for the species in the Poconos.

Stanley cups have skyrocketed in popularity, following other trends in reusable drinkware. But, fads like these can encourage overconsumption, experts said.

Right now, the overall pattern isn’t very conducive to significant snowfall for the Lehigh Valley and the Mid-Atlantic next week. Here's what will make or break the event for snow lovers.

The state agency that promotes hunting in Pennsylvania has hired a lobbying firm run by a former top lawmaker using tens of thousands of dollars in public funds.

A flash flood warning is in effect for parts of Lehigh and Northampton counties until 11:30 p.m. It follows a line of severe thunderstorms and a flood watch that will be in effect until 2 a.m. Monday.

The arrival of a slow-moving system will make for an unsettled weekend, forecasters say, with an excessive rainfall risk and potential flash flooding Sunday for the Lehigh Valley.

Wednesday marked the end of the first round of a three-year initiative called TOWERS, or Tackling Obstacles for Women’s Engagement and Retention in STEM, at Cedar Crest. Through the program, incoming freshmen are paired with mentors to complete science projects, gaining confidence and community along the way.

In the home stretch of summer, is the worst of the heat behind us? Here’s where things stand in the Lehigh Valley as we look ahead — and enter the peak of hurricane season.

Four farms in Lehigh and Northampton counties were the latest to be included in Pennsylvania’s Farmland Preservation Program. The program aims to ward off development and protect open spaces.

It's becoming more favorable as the summer goes on for viewing the planets in the evening sky, including Saturn. But did you know — its angle in relation to an Earth-bound observer is always changing.

The Storm Prediction Center has extended a tornado watch until 10 p.m., and the National Weather Service has issued a flash flood warning until 6:45 p.m.

Join Megan Frank at 9:30 a.m. and 6:30 p.m. every Friday for Insights with LehighValleyNews.com on WLVR. This week, she's joined by Managing Producer Stephanie Sigafoos and Northampton County reporter Ryan Gaylor.

With Tropical Storm Debby on approach to the region, forecasters continue to refine key messaging on what the Lehigh Valley can expect. We're at a 'slight' risk for severe weather, with tornadoes the main threat. Both Lehigh and Northampton counties are also under a flood watch.

Officials came together in Easton to discuss energy efficiency and weatherization programs intended to help residents while cutting emissions Thursday morning.

Tropical Storm Debby has been flooding parts of the Atlantic coast as remnants make their way north. As a result, PA-Task Force 1 has been deployed to assist North Carolina in emergency response operations.

A cold front interacting with moisture from Tropical Storm Debby left the region awash in heavy rain on Tuesday, triggering flash flood warnings and water rescues. More rain will come Friday as Debby moves over the area.