Environment & Science

A Mars-themed event at Bethlehem Area Public Library will focus on NASA rovers Curiosity and Perseverance. Registration is encouraged.

The National Weather Service's storm prediction center shows the Lehigh Valley falling in line with forecasts of high winds, potential hail and some severe thunderstorms Sunday evening.

That clash of fantasy and education worlds comes to Ag Hall at Allentown Fairgrounds July 5-7, when Jurassic Quest, which bills itself as North America’s most popular interactive dinosaur event, returns to Allentown.

Days after ferocious storms barreled through the region, ripping down trees and power lines, the Lehigh Valley could be at risk of additional rounds of severe weather this weekend.

Thousands of customers are still left without power following a series of storms that hit the Lehigh Valley. High winds yielded downed wires and tree limbs across homes and roadways throughout the area.

Downed trees and power outages were the result of a powerful storm that pounded the Lehigh Valley on Wednesday night.

In an update Thursday morning, PPL said crews saw significant damage from downed trees and limbs that caused more than 1,000 individual damage locations. Since the storm, it has restored power for more than 85,000 customers.

A severe thunderstorm brought wind gusts approaching 60 mph, heavy rain and hail to Lehigh and Northampton counties early Wednesday night. Utility companies reported thousands in the dark.

Another day of sweltering temperatures will transition to a night of severe weather across the region, and concern has shifted to timing on when storms are expected to fire.

Near unrelenting heat has become a reality in the Lehigh Valley to kick off summer, putting the area at risk for rapid onset drought — a term that’s part of a new outlook issued by the Climate Prediction Center.

For this year’s event, set for Sunday, officials are cutting out single-use water bottles and trading plastic medal packaging for paper, among other sustainability initiatives.

More than three dozen law enforcement professionals from the Lehigh Valley and beyond took part in the first training at the newly opened Joni Berner Esq ‘75-Expert Witness Training Center & Crime Scene Laboratory.

This month is a peak time to view comets in the nighttime sky. "Watching the Skies" host Brad Klein and Bethlehem's "Backyard Astronomy Guy" Marty McGuire review what astrological visitors to keep an eye out for as they pass through Earth's backyard.

A group of demonstrators called on Congress Friday to permanently protect the Arctic from drilling, as well as drum up support from Lehigh Valley residents.

“Creating a Micro-Forest: A Step by Step Guide" is available free on the city's website. Officials said it's a tool to help municipalities, schools or other organizations interested in building a micro-forest.

A wind advisory goes into effect at 10 a.m. Friday for much of eastern Pennsylvania and northern New Jersey, as strong westerly winds sweep through the region.

A strong storm system will bring gusty winds and heavy rain to the Lehigh Valley beginning late Wednesday night and into Thursday, forecasters say, with the look and feel of a nor'easter.

Opponents of the Easton Commerce Park project, particularly the plan to move a tributary on the property, had a chance to voice concerns to the Easton's Zoning Hearing Board on Monday night.

A little more than a month into Pennsylvania’s fall foliage season, both Lehigh and Northampton counties are predicted to be at peak color.

This week, a rare interstellar comet is passing through our solar system. It was detected by an array of telescopes designed to warn astronomers should a comet be on a collision course with Earth.

Lehigh University hosted a symposium examining ways to bolster electric and water systems to cope with the demands of data centers. Getting it right could mean hundreds of new jobs — and a place leading the next generation of technology infrastructure.

Easton celebrated renovations to Centennial Park on Friday afternoon, highlighting new equipment, a walking track, and a revamped basketball court.