Hey Ray: The science behind Santa's worldwide trip
For years, Ray has been trying to figure out how Santa does it and now he thinks he's cracked the case!
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For years, Ray has been trying to figure out how Santa does it and now he thinks he's cracked the case!
What is the difference between a meteoroid, a meteor, and a meteorite, and why do they burn up in the atmosphere?
This time of year we hear the word "Graupel" so how does form and what is it?
Did you know that there's a bunch of science packed into "pop?"
People think a lot of things are the same, that includes weather and climate, but as Ray Petelin explains, they are not the same thing.
We're at the time of year when you start hearing the term "bomb cyclone." So, what does that mean?
You definitely recognize the "thirsty bird" toy but a lot of science goes into making it work!
When weather events like hurricanes happen, Ray gets plenty of questions, so here are some answers!
Have you ever smelled the weather? It actually does involves some cool science!
Did you know there are a couple of colors that scientifically aren't considered colors at all?
"Temperature sensitivity" means that the inks behavior is dependent on the temperature.
It's going to ruin someone's clothes but it does disappear.
Wouldn't it be nice to disappear? While you can't you can make a special lens to make some invisibility possible!
When you're at the beach, you notice high and low tide but how does that really work?
If you've ever noticed a temperature disparity between rural and urban areas, there's a scientific reason for that!
If you've ever wondered how hurricanes get their names, KDKA First Alert Meteorologist Ray Petelin is here to explain how!
We use salt for so many things these days, but did you know that it can be used to make ice cream? Ray Petelin shows you how in an all-new Hey Ray!
One of the coolest things to see in the summertime happens from late July through late August.
You've heard the phrase "Dog Days of Summer," but you'd be surprised to learn it has nothing to do with our furry friends. Ray Petelin explains in a new Hey Ray!
You have certainly heard the name from the classic 80s movie, but it's more than just that. It's a meteorological phenomenon. Ray Petelin explains!
Sound and energy are really cool things, but Ray Petelin shows how that energy can be transferred from one place to another in a new Hey Ray!
Some cloud formations can look downright creepy and those clouds are shelf and wall clouds. Meteorologist Ray Petelin explains what they are, how they form, and what kind of threat they pose in a new Hey Ray!
You've heard the term "Cone of Silence," right? Well, Ray Petelin is here to explain how it's more than just a concept from TV and movies, it applies to weather!
While a deck of cards may seem ordinary, once you shuffle them, something special happens! Ray Petelin explains in a brand new Hey Ray.
We sometimes measure in weird ways. Think about it. One of the most common units of measurement is feet! Meteorologist Ray Petelin shows us some other weird ways we measure.
The suspect is facing several felony charges.
Gov. Josh Shapiro on Tuesday arrived in Clairton to meet with local officials following Monday's explosions that left two dead and injured at least 10.
Photos show the aftermath of the U.S. Steel Clairton plant explosions in Pennsylvania on Monday.
Country music icons Rascal Flatts are hitting the road again next year for their "Life Is A Highway" tour.
Across the region on Tuesday night, bright lights could be seen in the sky, and it was a rocket launch out of Florida.
PRT says that without additional funding, 35% of its services are on the chopping block.
Amid questions surrounding Pittsburgh's budget challenges, the two candidates for mayor shared what they think needs to be done.
Is Pittsburgh headed for a budget crisis, or is it already in crisis?
The Shapiro administration traveled across the Commonwealth on Sunday, stressing the importance of the latest transportation spending bill.
President Trump is hinting at further federal police action in D.C., teasing a press conference on Monday aimed at "ending the Crime, Murder, and Death."
Shayna, known for her popular TikTok account, Saving With Shayna, joined us to share her ultimate list of back-to-school deals.
Pennsylvania Attorney General Dave Sunday has joined a national effort to crack down on robocalls.
Billionaire Mark Cuban was back in the Pittsburgh area, as he announced a new partnership with Giant Eagle.
It's no secret that for many people, they wait until the last minute for back to school shopping.
Back-to-school shopping season is in full swing. We broke down how to shop smart before the first bell rings.
Board-certified life coach Dr. Marlene Boas is back on PTL and she joins Heather and David to talk about bridging the generational divide.
Rania Harris is joined by Katie O'Malley to bring you the recipe for Tomato Tart, a dish she has been making for years!
Team PTL's Daisy Jade is getting you ready for Steelers season and so is the Pennsylvania Trolley Museum as they are ready to debut the restored Terrible Trolley!
It's been a great summer in Pittsburgh and it keeps going this weekend with the Bellevue Rhythm & Brews Brewery Festival! Heather and David are joined by the organizers, Dan McKelvey and Logan Robins for a taste of the action!
The Heinz History Center wasn't always known as one of the best history museums in the country; in fact, it has a pretty "chilling" past! PTL's Katie O'Malley speaks with Andy Masich about how it used to be an ice house!
Amid questions surrounding Pittsburgh's budget challenges, the two candidates for mayor shared what they think needs to be done.
Is Pittsburgh headed for a budget crisis, or is it already in crisis?
At the end of the last school year, Brownsville Area School District put a ban on all wearable technology.
Experts are examining the potential connection between air quality in the Mon Valley and student absenteeism.
More and more sleep experts say the early start to the school day is hurting teenagers' grades, bodies and mental health.
Low levels of the bacteria that causes Legionnaires' disease were detected at the county's South Campus in Mohnton, Pennsylvania.
Police in West Virginia shot and killed a man who became violent in a hospital emergency room and produced a knife.
Instagram rolled out a new Map feature that lets users see their friends' locations in real time. Here's why privacy experts are concerned.
Dr. Ken Nischal joined us to talk about how undetected eye issues can impact learning and can lead to lifelong problems.
The Boar's Head deli meat plant at the heart of a deadly food-poisoning outbreak is set to reopen in the coming months, but recent reports point to ongoing sanitation problems.
Aaron Rodgers said he had a blast at Saint Vincent for training camp while getting to know his new teammates.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
The Brewers have rattled off 11 straight wins.
Cam Heyward wants a raise and is open to sitting out regular-season games to make his point.
Brice Turang hits his first career leadoff home run helping the Milwaukee Brewers beat the Pittsburgh Pirates 7-1 on Monday night.
Ten restaurants in Pittsburgh earned prestigious awards from Wine Spectator for their world-class wine selections.
After only three years, Midland Innovation and Technology Charter School is closing its doors.
Mario Lemieux and Ron Burkle sold the Penguins in 2021 for $900 million and the team could be worth double that price now.
Andrew Carnegie first opened the plant in 1875.
The owners of the Pittsburgh Mills were ordered to pay $1.8 million in fines over pothole-riddled parking lots and overgrown landscaping.
Country music icons Rascal Flatts are hitting the road again next year for their "Life Is A Highway" tour.
Taylor Swift announced her 12th studio album, "The Life of a Showgirl," after a countdown tease on her website. She didn't say when it would be released.
It sure seems like Taylor Swift could be a "very special guest" on this week's episode of the Kelce brothers' New Heights podcast.
Paramount will become the new home to all UFC events in the U.S., while UFC's CEO says the White House may host a July 4 event broadcast on CBS.
People came out to the Strip District on Saturday for Pittsburgh's annual Barrel and Flow festival.
Stay on top of local weather with meteorologist Trey Fulbright’s forecast!
Levi Barela, 39, is facing several counts of discharging a firearm into an occupied structure, assault, and reckless endangerment. KDKA's Jessica Riley has the story.
Board-certified life coach Dr. Marlene Boas is back on PTL and she joins Heather and David to talk about bridging the generational divide.
Rania Harris is joined by Katie O'Malley to bring you the recipe for Tomato Tart, a dish she has been making for years!
Team PTL's Daisy Jade is getting you ready for Steelers season and so is the Pennsylvania Trolley Museum as they are ready to debut the restored Terrible Trolley!
Spaun made a thrilling 64-foot birdie putt to win the U.S. Open at Oakmont Country Club.
It was a wet and rainy day at Oakmont Country Club for the third round of the U.S. Open.
Oakmont continued to flex its muscles against the world's best at the U.S. Open on Friday.
The 125th playing of the U.S. Open got underway Thursday morning at Oakmont Country Club.
The best golfers in the world are at Oakmont Country Club preparing for the U.S. Open.
