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 severe thunderstorm watch covers the Lehigh Valley and several other eastern Pennsylvania counties until 10 p.m. It comes amid a day with high temperatures climbing well into the 90s as the region's third heat wave of the summer continues.

The Lehigh County Coroner's Office has confirmed the name of a man who drowned while tubing in the Lehigh River on Monday afternoon.

Gov. John Shapiro last month signed HB 1333 into law, which allows for recycled materials to be used in stuffed toys manufactured and sold statewide. In the Lehigh Valley, one toy manufacturer plans to launch a sustainable line.

The National Weather Service has extended an excessive heat warning now in effect until at least 6 a.m. Wednesday, with dangerously hot conditions and heat index values up to 106 degrees in the Lehigh Valley.

Earth's moon will be full on Sunday night, but what does the other side look like at that time and why?

What started as an idea has blossomed into a bustling business. Now, husband-and-wife duo Chris and Sheri Anthony are sharing big-league aspirations for their little farm

For almost a century, hikers have trekked the Appalachian Trail, the world’s longest hiking-only footpath. A thru-hiker documenting her trek on social media recently stopped in the Lehigh Valley.

The National Weather Service has issued a heat advisory and excessive heat watch for the Lehigh Valley and southeastern Pennsylvania. The heat advisory will be in effect from Sunday into Monday. Then the temperature really turns up, with heat indexes in triple digits.

The position, budgeted for one year after the annual process turned contentious, focuses on creating and facilitating sustainability initiatives while capturing grant funding to cover the cost of related projects.

The start of Lehigh Gap Nature Center’s annual hawk watch is just over a month out, and preparations are well underway. A tradition in its 64th year, volunteers count birds of prey as they migrate along the raptor "superhighway" in the Lehigh Valley’s backyard.

The National Weather Service posted a flood watch starting at 6 a.m. Friday for the Philadelphia region and its suburbs.

Funding was awarded through the Lehigh Valley Greenways Mini Grant Program. The program aims to protect and promote natural resources through the implementation of ready-to-go, single-year projects.