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 Lehigh Valley is under a winter weather advisory in effect from 10 p.m. Friday to 10 a.m. Saturday, with a chance the snowfall that could overperform in parts of the region.

WLVR's Megan Frank talks with journalists Molly Bilinski and Phil Gianficaro.

Presidents Day weekend is approaching, and historically the period has been prime time for big storms. That won't be the case Friday, but a few inches of snow are possible in the Lehigh Valley.

A Lehigh Valley resident was recognized as a “Volunteer of the Year” for 2023 by Keep Pennsylvania Beautiful, a statewide nonprofit that focuses on litter cleanups and community improvements.

Less than 24 hours removed from the Lehigh Valley’s heaviest snowfall in three years, forecasters have a word of advice to offer: don’t put the shovel away just yet.

Tuesday's fast-moving storm swept quickly through the Lehigh Valley but packed a wallop, bringing nearly a foot of snow to several spots.

“This has been a tremendously difficult storm to forecast due to rapidly changing conditions/temperatures expected and the difference in timing,” the National Weather Service said in its forecast discussion.

PPL Electric Utilities and Met-Ed reported more than 13,000 customers without power Tuesday morning as a winter storm swept through the region.

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.’