Environment & Science

Several Lehigh Valley schools are closing Tuesday because of the weather forecast.

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.

Smoke from the Canadian wildfires has been transported south and east and is moving into Pennsylvania.

Messinger and South Main streets in Bangor turned into a waterway after downpours hit early Sunday. Said one resident: “By the grace of God we didn’t lose power and everyone is OK. That is the most important thing."

The entire Lehigh Valley will remain under a flood watch through Sunday after another round of severe storms hammered the region. Tonight's Heritage Day fireworks show in Easton is postponed again, the city announced. Bushkill Park in Forks Township and parts of the Slate Belt were flooded.

The disease, a relatively new and deadly threat to the American beech, has few treatment options and no known cure.

Astronaut John Shoffner stopped by Crayola Experience in Easton on Friday, July 14 to discuss his voyage to the International Space Station and answer kids' questions about the cosmos.

The Lehigh Valley has measured 7.47 inches of rain since June 1. Almost half of it has come this month, and we'll add on to that number in the coming days.

The Community and The Arts Clean Up aims to combine community service and engagement through a tournament-style competition – with prizes for the team that fills the most trash bags – followed by a gathering with live music and food.

Severe storms during the summer are very difficult to predict. That's evident in dueling forecasts Thursday for the Lehigh Valley.

Lafayette College in late May submitted a replanting plan to the city after officials threatened to stop work when 46 trees were cleared from the slope without approval. It's unclear whether the plans have been approved.

From 8:30 a.m. to 3:30 p.m. on Friday, July 21, the Rodale Institute’s headquarters at 611 Siegfriedale Road in Kutztown will be open to the public for its annual field day.

The newest proposal, one involving 848.47 acres near the landfill, may also receive a public hearing at a later date. The possibility to rezone 275.7 acres will see discussion on Aug. 30 at 9 a.m.

Mostly sunny skies on Tuesday may be dimmed slightly as another plume of wildfire smoke drifts over the region, the National Weather Service warned.