Environment & Science

The Biden administration on Wednesday finalized strict limits on certain so-called “forever chemicals” in drinking water that will require utilities to reduce them to the lowest level they can be reliably measured.

The Pennsylvania Museum and Historical Commission will recognize the Allentown State Hospital — which was demolished at the end of 2020 — as a significant part of the Commonwealth’s history by awarding it an Official State Historical Marker.

The results of Lehigh Gap Nature Center's 27th annual Lehigh Gap Area Feeder Watch are in. Find out what birds were spotted.

An extended view of the total solar eclipse that was promised in the Lehigh Valley on Monday afternoon never materialized due to thick cloud cover, disappointing many of the approximately 1,000 at The Promenade Shops at Saucon Valley.

It's solar eclipse day. Here are a few final things to know as we count down to the cosmic spectacle that has been dominating the public consciousness.

Despite the cold weather, dozens of anglers showed out to the Little Lehigh Creek in Allentown to mark the first day of trout season in Pennsylvania. The Fish and Boat Commission has been hard at work populating local waters with trout since February.

An earthquake rattled the Lehigh Valley and the greater Mid-Atlantic on Friday, with social media instantly blowing up. The U.S. Geological Survey said the earthquake was centered in Hunterdon County, New Jersey — about 35 miles from Bethlehem.

A 4.8 magnitude Earthquake in New Jersey was felt throughout the Lehigh Valley Friday morning, but why is that? Meteorologist Matthew Cappucci helps explain how the ancient crust of the east coast played a part in the quake.

Looking to throw a solar eclipse party on Monday? Make sure you stock up on some of these awesome eats, including snacks, main courses, and plenty of sweets.

The Lehigh Valley will only see partial coverage during the April 8 solar eclipse. Those dedicated to seeing totality in its fullest are traveling outside of county and state bounds to do so.

The planets Jupiter and Mars will share a small patch of the eastern sky with the crescent moon, and the star Aldebaran on August 27. Here's how to see it.

A renewable natural gas plant adjacent to the Bethlehem Landfill opened on Tuesday morning.

“We have cooler air coming in," Lehigh Valley meteorologist Bobby Martrich said in his latest update. "Cooler air and refreshing air coming in for the next several days.” How far will temperatures fall?

More than 5 inches of rain was reported to have fallen in parts of the Lehigh Valley on Sunday, according to official data from the National Weather Service.

The free exhibit, “America’s Beautiful,” at Lehigh Gap Nature Center runs from Aug. 21 to Aug. 29. It includes 50 watercolor paintings of Smokey Bear.

More than eight months after announcing a $600 million price tag over the next decade to upgrade aging water and wastewater treatment infrastructure, the Lehigh County Authority is reaching out to major industrial users.

A full moon is on display the evening of Monday, August 19. The full moon of each month has one or more traditional names, and the August full moon is known as ‘the Sturgeon Moon.’

Swaths of the Lehigh Valley were inundated by heavy rainfall on Sunday, leading to flash floods and prompting water rescues. Some areas received nearly 5 inches of rain, with a secondary front set to bring more on Monday.

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.