Environment & Science

The Blue Mountain fire, also called the Gap Fire, on Nov. 2 erupted in Lehigh Township. The fire, which grew from 150 acres to almost 600, took seven days of fighting before it was marked 100% contained.

Lehigh Gap Nature Center’s annual autumn Bake Oven Knob Hawk Watch ended late last month, with 9,373 migrating raptors recorded. While the overall count is lower than last year, many species exceeded 2023 totals.

Planet Venus is acting as the brightest star, visible in the West after sunset. Grab your binoculars, because there's a second planet at play with lots to show.

Wilson Area School District is set to host their second Wilson Family Computer Science Night, showcasing fun and hands-on innovative tech for students up to grade eight.

Jared Isaacman, a tech billionaire who lives in the Lehigh Valley and conducted the first private spacewalk, was nominated by President-elect Donald Trump on Wednesday to lead NASA.

The Unidos Foundation was one of 12 community organizations across Pennsylvania to receive the grant. Money is earmarked to ensure that historically marginalized and underserved communities have access to information and resources about environmental protection.

More than a year after the federal government held its first hearing on unidentified anomalous phenomena, or UAPs, two more were held within a week in November.

Lehigh Township volunteer firefighters shared the obstacles they faced fighting a 600-acre fire that erupted on Blue Mountain. Almost a month later, it's still not technically out.

A NASA robotic mission that is exploring the inner reaches of our solar system will literally ‘touch the Sun’ on Christmas Eve.

The Lehigh Valley is in a 9-inch rain shortfall. The prolonged dry spell has raised concerns about the longevity of fresh-cut Christmas trees this year. And, it's thinning out the trees planted this year to grow for future holiday seasons.

There are plenty of ways to celebrate Earth Day on Saturday, April 22, in the Lehigh Valley.

The first new building on Muhlenberg’s campus in more than a decade, the Fahy Commons for Public Engagement and Innovation, 2400 W. Chew St., opened in January. The 20,000-square-foot, three-floor building cost $13.2 million and is one of the first buildings in the world expected to achieve a rigorous sustainability certification for buildings that give more than they take.

A few strong to severe thunderstorms are possible in the region on Saturday, with the main threat being damaging wind gusts, according to the National Weather Service.

Puerto Rico's electrical grid has been devastated by hurricanes due to worsening climate change. Ruth Santiago, a Bethlehem native, has a solution.

Swarms of non-biting midge flies last week were spotted in Bethlehem. LehighValleyNews.com spoke with Marten Edwards, chair of Muhlenberg College's biology department, to find out more about the insects.

For the first time, the Lehigh River was included on American Rivers' list of most endangered rivers in the country. Environmentalists point to a proliferation of warehouses and distribution centers for putting the river at risk.

“Twitter is now limiting automated tweets and as a result this account can no longer post all watches/warnings/advisories as they are issued,” a tweet from NWS Mount Holly said Saturday morning. Things seemingly changed Saturday night.

Like the rest of the country, Pennsylvania has a litter problem. While state and local officials work to mitigate the issue, residents are rolling up their sleeves and doing the work themselves.

The warning is expected to last until 5:30 p.m. Saturday.

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

Titan, a 12-year-old raccoon, was euthanized at the Lehigh Valley Zoo several months after he was diagnosed with a bladder tumor. A favorite to patrons, he will be sorely missed, officials said.

The Bethlehem Planning Commission approved changes in the zoning ordinance that would permit day care facilities at community centers and environmental education centers. City council will also have to approve the changes.