Environment & Science

The biggest differences between tropical and subtropical storms are in the way they form and in the broad impacts. A subtropical system could target the region this weekend.

A heat map generated from PennDOT crash statistics shows a high rate of collisions involving deer and vehicles — the Lehigh Valley included. Pennsylvania also ranked No. 3 overall for the likelihood of having an animal-vehicle collision.

Several Lehigh Valley residents reported witnessing a string of lights in the sky in the Allentown and Bethlehem areas on Saturday night, Sept. 16.

High pressure originating from the Great Lakes is shifting offshore on Sunday, paving the way for an approaching cold front and unsettled conditions.

The fellowship focuses on bolstering students who show interest and promise in leadership and social impact. Of the more than 44,000 applications submitted, only 4,000 were accepted.

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.

The mud-colored salamander–also known as a snot otter, mud devil, and Allegheny alligator–can grow to be two feet long, and can live up to 30 years.

This year's Bake Oven Knob Autumn Hawk Watch has so far recorded more than 1,000 migrating birds of prey, not including the dozens logged Thursday morning.

How much snow is coming this winter? Model ensembles and long-range outlooks are starting to yield some clues.

Officials at Jacobsburg Environmental Education Center on Wednesday held their annual "Monarch Madness" tagging event. Four male and two female monarchs were tagged.

The 120-acre park in Northampton County boasts more than 100 species of trees and shrubs from around the world. "What's unique is it's in a public park setting. It's run by county park staff, not a nonprofit or not a for-profit entity,” the superintendent said.

The clocks went forward, but the weather turned back a season on Sunday as blinding snow squalls pushed through the Lehigh Valley. A wind advisory remains in effect Monday.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s "Backyard Astronomy Guy," Marty McGuire.

Dozens of students from across Pennsylvania will descend on Saucon Valley Middle School’s gymnasium for FIRST Tech Challenge’s robotics state championship, including two teams from the Lehigh Valley.

Pennsylvania’s maple sugaring season is well underway. At the Monroe County Conservation District’s Singing Hemlock Sugar Shack, educators guided visitors through the history of maple syrup production.

A flood watch remains in effect from 1 p.m. Saturday through Sunday evening for a large swath of the region, including Lehigh and Northampton counties.

Forecasters say a weekend storm will not only bring active weather, windy conditions Sunday and Monday are likely to bring isolated instances of tree damage and power outages to the Lehigh Valley.

Farmers say that the final offer for a property doesn’t account for fertile soil or product reliability. Plus, it doesn't accurately reflect the financial burden of moving to a new place.

Advocates and officials across Pennsylvania have signaled their support the new standards for fine particle pollution, also called soot or PM 2.5. However, federal officials don’t anticipate communities will meet the standard for almost a decade.

Norfolk Southern crews remained at the derailment site along the Lehigh River in Lower Saucon Township. The company released no details on what the trains were hauling or where they were going.

More than 200 years after the sanctuary was built, church leaders are working to make its heating and cooling more sustainable. While work is already underway, the oldest Moravian Church in North America still needs funding.

After a washout Saturday in the Lehigh Valley, forecasters say a parade of storms could easily produce another 2 to 3 inches of rain or more over the next week.