Environment & Science

Former space shuttle astronaut Terry Hart, of Lower Saucon Township, believes the psychological impact of spending more than a year in space on a mission to Mars is impossible to predict.

“The first major synoptic system of the season will impact the region beginning Friday and over the weekend,” the National Weather Service said in its latest forecast discussion.

Brad Klein reviews the weeks astronomical highlights with Bethlehem’s "Backyard Astronomy Guy."

Allentown, Bethlehem and Easton all have tracts designated as environmental justice areas. Here's what that means, and how residents can help shape state policy.

From low 80s to our first frost? Quiet weather and warm temperatures will dominate the Lehigh Valley forecast this week, but big changes are ahead.

In its third year, and hosted by the state’s GreenGov Council and Penn State Sustainability, Commonwealth Sustainability Week features daily, free webinars focused on climate change and sustainability efforts statewide.

As temperatures climb back into the 80s this week, PennDOT will begin to host job fairs in Lehigh and Northampton counties to fill a variety of positions for the winter season.

Lehigh County and the state Game Commission in 2007 partnered to open up the North Range for bowhunters to combat overpopulation, deer and invasive plants.

Would critical weather information come to a halt during the looming federal government shutdown?

The results of a 2019 survey, published last week, shows a majority of Pennsylvania's streams are contaminated with PFAS, also called "forever chemicals." Five streams were tested in the Valley.

The National Weather Service said Monday the scenario will lead to “exceptionally high probabilities of below-normal temperatures expected across much of the East," but the true intensity of the cold is still unknown.

More than 300 Met-Ed customers were impacted by damage to three poles when a tree fell into lines near South Delaware Drive in Easton, which reportedly closed the road as well.

A look back to the weather headlines that dominated 2024, and what's to come for the Lehigh Valley. Could a cold and snowy January be on tap?

Depending on cloud cover, the Lehigh Valley could see a lunar eclipse between midnight on March 13 through early morning March 14. A solar eclipse could peak just after midnight on March 29.

“It doesn’t matter what amount it is, it’s still treacherous on area roadways,” EPAWA meteorologist Bobby Martrich said in his latest video update.

Temperatures will drop below freezing across the area late Friday night and early Saturday, likely setting the stage for a period of freezing rain, according to the National Weather Service.

Administered by Pennsylvania Organization for Watersheds and Rivers, or POWR, with funding from the DCNR, officials said the effort aims to elevate public awareness of specific rivers and recognize important conservation needs and achievements.

With temperatures in the 20s overnight, snow is expected for the southern Poconos, northern New Jersey and the Lehigh Valley, though accumulations should generally be less than one inch.

It will get warmer and closer to normal as the week progresses, but for now, the National Weather Service recommends folks bundle up as an arctic air mass from Canada and the Great Lakes moves in.

The longest running raptor migration count in the world wrapped up for the 2024 season. Staff and volunteers spent more than 1,000 hours recording species as part of Hawk Mountain's conservation efforts.

It is humanity's first-ever mission into the part of the sun’s upper atmosphere known as the corona.

A complex storm system forecasters said could overperform did that and more in the Lehigh Valley on Friday night, as snow totals doubled initial forecasts in some areas.