Water bottles on a plane and the pressure | Hey Ray
If you're taking a water bottle on your next flight, be careful because it could end up with you being all wet!
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If you're taking a water bottle on your next flight, be careful because it could end up with you being all wet!
You've certainly seen huge parallel clouds in the sky, but what are they and how do they form?
Ray C. took a picture just outside of Uniontown, Pennsylvania, where you can see the clouds are lined up in neat rows, sort of like a cornfield.
The sun is often referred to as a ball of fire in the sky, but is it actually on fire?
Have you ever noticed when you see a wheel moving at high speed it looks like it is going backward?
You've heard of ground coffee, but what about a coffee cup falling to the ground?
You may have heard we're getting a mini-moon soon, but that begs the question...will we be able to see it?
One viewer asks - why can we sometimes see the moon during the day?
As the air gets colder, it's important to test for Radon.
We often perceive the sun to be yellow, but is it actually?
We've all put popcorn kernels on the stove or in the microwave, but why and how do they pop?
Western Pennsylvania has several creeks and rivers in our area, so what is the difference?
We've got a mystery to solve! Why does it seem like you can only hear the train whistle at Fallingwater when it's going to rain?
Hey Ray, why is it when it gets too hot, airplanes cannot fly?
If you've ever noticed a difference in humidity from higher vegetation to lower vegetation, it's something known as "corn sweat."
Sometimes, you look up to the sky, and you see something weird. Other times you look down from up in the sky and you see something extremely weird! That happened to Edna. Pilot's Glory, Glory of the Pilot, or Pilot's Halo — whatever you want to call it, Ray Petelin has an explanation.
A viewer asks, if it's raining outside, but the humidity gauge only reads 74%, shouldn't it be 100%? Ray Petelin has the answer in a new Hey Ray!
The Moon is spherical like Earth, so why do we only see one side of it? Meteorologist Ray Petelin has the answer.
Heavy winds and windstorms have been in the headlines a lot lately, which has plenty of Pittsburghers asking, "Is it windier today than it ever has been in Pittsburgh?" Ray Petelin explains!
Meteorologist Ray Petelin has a weird experiment today where he shows us how to illuminate fluorescent light bulbs without connecting them to a light fixture!
Science can often surprise you! Meteorologist Ray Petelin has a cool inertia experiment where the result may be the opposite of what you think!
It's common to see icicles hanging from roofs or awnings, but can they form sideways? The Barton Family saw just that, and Ray Petelin explains how it may have happened!
When rivers, lakes, and ponds freeze over, it's natural to want to go play on them, but checking them for safety is important. Ray Petelin explains what you need to do to make sure you don't fall through.
When we get large snowfalls, the same question gets asked - why is snow white but when it melts, it's clear? Ray Petelin answers that in a new Hey Ray!
KDKA meteorologist Ray Petelin uses science to debunk some popular conspiracy theories.
The country music superstar will be performing at 1846 Farms in September.
Pittsburgh will continue to see warmer temperatures, but some thunderstorms are possible on Saturday.
Just over a week after a deadly crash on the Fort Duquesne Bridge, community members gathered Friday to remember one of the victims.
Kyle Schwarber hit his majors-leading 19th and 20th home runs of the season and Philadelphia rallied past Pittsburgh 11-9 in 10 innings.
The Pittsburgh Steelers have signed 2026 first-round draft pick Max Iheanachor to a four-year contract.
Gambling addiction is impacting more young people, so much so that state lawmakers are calling it an epidemic.
President Trump is in Beijing meeting with China's President Xi Jinping, with the two leaders aiming to stabilize their trading relationship after last year's trade war.
The Allegheny County Health Department wants to require all employers in the county to give their employees paid parental leave.
Live updating West Virginia primary election results for May 12, 2026.
Residents heading to the polls in West Virginia's primary election now must present a valid photo ID in order to vote.
The Allegheny County Health Department has issued a consumer alert for Prantl's Bakery in Shadyside, saying an inspection found pest droppings.
A Bethel Park homeowner says he's out thousands of dollars after hiring a contractor to replace his front porch.
A popular Washington County farm won't be offering pick-your-own peaches this year.
Gas across the country continues to climb.
Two food items sold at Giant Eagle have been voluntarily recalled due to separate contamination risks.
If your current security system is just a dog and a basic lock, it might be time for an upgrade. East End Handyman Company's Patrick McLaren is back on PTL to show us how you can install a security camera.
Team PTL's Daisy Jade is at the CCAC West campus and she's learning more about their annual car show!
Shari Zatman is back for another segment, this time, she's giving us the instructions on how to make a floral graduation cap!
Our friend, Shari Zatman of Perfectly Planned by Shari is here to help you get through graduation season by showing you how to plan the perfect party!
In a world of viral trends, Corrine has been proving that the old Hollywood glamour hasn't gone anyway, it just needed a refresh.
A Bethel Park homeowner says he's out thousands of dollars after hiring a contractor to replace his front porch.
It's been nearly eight years since Rachael DelTondo was shot and killed in the driveway of her parents' home in Aliquippa.
An artist in Pittsburgh said the Steel City clothing company used his artwork without his permission.
Alcosan's multi-billion-dollar construction project to clean up the rivers in southwestern Pennsylvania is already over budget.
Pennsylvania prisons now give suboxone to thousands of inmates, with thousands more on the waiting list.
A western Pennsylvania dad went from wondering what a spot on his leg was to learning he has an extremely rare skin cancer.
The Allegheny County Health Department wants to require all employers in the county to give their employees paid parental leave.
Allegheny Health Network is putting out a warning about a new social media trend.
Workers at Butler Memorial Hospital say they're ready to walk off the job if hospital management doesn't come to terms with them.
An American on the repatriation flight began showing symptoms of hantavirus and another "tested mildly PCR positive for the Andes virus," the Department of Health and Human Services says.
Kyle Schwarber hit his majors-leading 19th and 20th home runs of the season and Philadelphia rallied past Pittsburgh 11-9 in 10 innings.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
The Pittsburgh Steelers have signed 2026 first-round draft pick Max Iheanachor to a four-year contract.
The Pittsburgh Steelers have released their 2026 schedule.
Sidney Crosby is heading to Switzerland to represent his native Canada at the men's world hockey championships.
A popular Washington County farm won't be offering pick-your-own peaches this year.
If you're about to throw out all of those old documents while spring cleaning, there are some you should hold onto.
The hole left behind by Spirit will hit businesses and rental companies within Arnold Palmer Regional Airport.
The bar served its final pints Sunday night after 43 years in Oakland, near the heart of Pitt's campus.
Arnold Palmer Regional Airport officials are confident they'll be able to replace Spirit Airlines after the airline shut down early Saturday morning.
The country music superstar will be performing at 1846 Farms in September.
The exhibit transforms historic industrial and historical paintings into a multi-projection animated experience.
Country music star Lainey Wilson and former Steelers quarterback Devlin "Duck" Hodges tied the knot in a lavish Tennessee wedding.
Riverlife will reopen its free-to-access barge platform, Shore Thing, later this month.
Ten Carnegie Mellon University alumni have snagged nominations for Tony Awards.
Luke Bryan's 2026 Farm Tour will make a stop at 1846 Farms.
Stay on top of local weather with meteorologist Mary Ours’s forecast!
Stay on top of the weather in the Pittsburgh area with First Alert Meteorologist Ray Petelin's forecast.
Just over a week after a deadly crash on Pittsburgh's Fort Duquesne Bridge, community members gathered together Friday to remember one of the victims. KDKA-TV's Erika Stanish reports.
Getting kids excited about reading can be hard, but across the Pittsburgh area, teachers are increasingly finding a way with help from the Pittsburgh Penguins and U.S. Steel. KDKA-TV’s Ricky Sayer explains how.
Mike Tomlin stepped down as head coach of the Pittsburgh Steelers after 19 seasons with the team.
Pitt's regular season has ended with an 8-4 record.
Pitt's five-game winning streak came to an end with a 37-15 loss to Notre Dame.
Mason Heintschel set a new Pitt freshman single-game passing record in the Pitt win at Acrisure Stadium.
The 44th annual KDKA-TV Turkey Fund will help our neighbors in need have a nice meal for Thanksgiving.
