Environment & Science

Many of the Lehigh Valley's tree farms are already sold out for the season, and farmers say the shortage shows no sign of easing any time soon.

A professor at Lehigh University breaks down what a recent, and historic, breakthrough in fusion ignition might mean for the future of clean energy and the potential student interest in the topic.

Love it or hate it, Lehigh Valley residents will likely see a wintry mess from a significant coastal storm coming later this week. Get the latest on timing, expected precipitation and more.

Marley Wait, of Macungie, is a cadet at United States Military Academy West Point. She was named one of the 40 students to win a prestigious Marshall Scholarship to support her studies when she graduates this spring.

Forecasters say where the storm tracks is going to be key to what we get in the Lehigh Valley, as well as the transfer of energy from the primary storm system to a secondary system. That will produce a coastal storm that will likely impact the area Thursday into Friday as it tracks north along the coast.

The real specimens that will be on display at Da Vinci Science Center are designed to compare and contrast healthy bodies and organs with those that are diseased, with an emphasis on common ailments along with cardiovascular issues and dementia.

PennDOT will spend millions of dollars to start construction on major transportation projects including bridges, traffic circles, milling, paving and patching roadways and updating interchanges.

Is there rain and wind, or something more interesting in store for the Lehigh Valley in the coming days?That’s what readers are wondering as a parade of storms begins to roll through the region.

While Monday will bring mostly sunny skies and dry weather to the region, meteorologists are tracking a series of storms that will make for a mostly soggy week in the Lehigh Valley — with a question of wintry weather by week's end.

A pattern change known as the "Greenland Block" could introduce cold air — and perhaps wintry weather — into the region by mid-December, meteorologists say. But what is the pattern and why could it bring snow?

The zoo held a ribbon-cutting at the Fred & Anne Jaindl Family Barnyard and St. Luke's Children's Hospital Playground Wednesday, marking the completion of phase one of its Children's Activity Area project. The two spaces now are officially open to the public.

The last supermoon of the year soon will shine in December skies. When a full moon is closer to Earth in its orbit, a so-called supermoon happens.

Lehigh Valley Shift4 founder and billionaire spacewalker Jared Isaacman urged senators on Wednesday to take swift action on his bid to lead NASA, after being yanked and then renominated by President Donald Trump.

The winners, a married couple from Berks County, have served as Berks County 4-H leaders for more than 30 years as well as helping with the Lehigh County 4-H Livestock Club.

Plans to upgrade the pocket park, at 1030 Bushkill St., include adding educational stations, such as a weather station and a sundial, as well as planting a nano-forest.

Cricket Wildlife Rehabilitation Center shared an update about the last escaped African serval on its Facebook page. While two of the three wild cats were captured and brought back to the wildlife center, the last remained on the loose for nearly a month.

Meteorologist Bobby Martrich of EPAWA Weather Consulting highlighted the area as one to watch, thanks to the setup of a “thermal gradient” or baroclinic boundary as the storm moves through.

This week, Brad Klein shares his thoughts about the commonly heard phrase, "meteoric rise."

The Lehigh Valley is under a winter weather advisory from 4 a.m. to 1 p.m. Tuesday, with total snow and sleet accumulations of 2 to 5 inches expected, with the greatest amounts at higher elevations.

While the program has expanded into the Lehigh Valley over the past few years, and is growing in popularity, officials said demand has also increased this year as federal programs and initiatives were canceled or paused.

The Lehigh Valley is in line for potential snowfall Tuesday as a coastal storm takes aim at the region, but there's a lot of uncertainty at this point," forecasters say.

After persistently dry, windy weather last year triggered concerns over the longevity of holiday trees, this year’s crop is shaping up well, Lehigh Valley growers said, with many different varieties available.