Pi can be used to measure many different things including hat size | Hey Ray
Pi is a ratio that can be used to measure many different things including someone's hat size.
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Pi is a ratio that can be used to measure many different things including someone's hat size.
The Allegheny and Monongahela Rivers can both freeze but one may be more likely than the other.
Using the different sides of aluminum foil has been a discussion having some wonder if it makes a difference.
The sun can make you sneeze if you have ACHOO syndrome.
A fun way to collect money can be done through a swirling motion in a money vortex.
Ice Jams can cause issues like blocking water from moving downstream.
Meteorologist Ray Petelin explains how Sun dogs or rainbow colored spots appear in our sky.
Meteorologist Ray Petelin shows us how snow can be other colors than white.
Winter officially began around 4 a.m. on Saturday, but did you know it's not winter everywhere?
When you think of surfing, you think summer and the ocean, but this time of year, there's surfing in...Lake Erie?
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?
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.
Places, people, and things have a variety of reasons for why they are named the way they are, but have you ever thought about why the Arctic and Antarctic have their names? Ray Petelin has and he explains it in a new Hey Ray!
Whenever snow falls in Pittsburgh, you hear the same refrain: milk, bread, and toilet paper, but do we really need to have those in our home? Ray Petelin makes sure you know how to prepare when snow is coming!
While we may dream of a White Christmas in the 412, the weather is often much more interesting than that. Ray Petelin explains in a new Hey Ray!
Every generation when they get older love to brag about how much snow they had to deal with as a kid, but which Pittsburgh generation has the bragging rights? Ray Petelin breaks it down!
Did you ever notice your breath can heat and cool things? Meteorologist Ray Petelin shows us the science of how that works!
The National Weather Service said there could be two possible waves of severe weather and storms Wednesday.
Optimism seems to be taking off at Arnold Palmer Regional Airport.
Mayor Corey O'Connor's administration says steps are needed to avoid a budget crisis in Pittsburgh.
The annual KDKA Fish Fry Guide is back for Lent! Check our listings for a 2026 fish fry near you in Pittsburgh.
It's been nearly two years since five people died in a house fire in the city of Jeannette, Westmoreland County.
About 30 U.S. service members remained hospitalized Tuesday after an Iranian drone strike in Kuwait.
Defense Secretary Pete Hegseth said Tuesday that it would be the "most intense day" of strikes against Iran so far.
President Trump told CBS News the U.S. war with Iran is "very complete," and said the U.S. "could do a lot" about the Strait of Hormuz.
Live Nation, the parent company of Ticketmaster, has reached a deal with the Department of Justice as part of a high-stakes antitrust trial.
The preliminary U.S. intelligence assessment suggests that the U.S. is "likely" responsible for the bombing of the girls' school in Iran on Feb. 28.
The gas price spikes are real and apparent. Here's how Pittsburgh drivers can save money.
The Pennsylvania Treasury will hold a public auction for unclaimed goods on Wednesday, March 25.
Pittsburgh gas prices have spiked in the last week, but how high exactly will they rise in the coming weeks?
A Pittsburgh-area man is not just giving people living with ALS a voice, he's giving them their own voice.
An investigation into fraudulent vehicle inspections has led to dozens of charges against a Pittsburgh-area auto shop owner and his mechanic, police said.
The iconic Pittsburgh St. Patrick's Day Parade is this weekend, and if you're looking to swap out the black and gold for green, Dr. Tom Petrone, owner of the Irish Design Center joins us to show us what he's got to offer!
Our friend Dr. Natalie Gentile, the co-founder of Direct Care Physicians of Pittsburgh and Rebel Wellness is back and she's showing us a quick, 10-minute at-home workout that will boost your energy and help you get moving!
Daisy Jade is at the real-life hospital that was the inspiration for The Pitt - Allegheny General Hospital, where she's learning more about how the show represents their jobs, and an upcoming fundraiser that will benefit so many things!
The stars of the Chicago Broadway National Tour are sticking around, and they're finding out if Heather and Ron were paying attention to the details of the show!
Heather and Ron are joined in studio by Ellie Roddy and Max Cervantes, two of the stars of the Chicago Broadway National Tour, which is making its latest stop in Pittsburgh!
More homeowners than ever in Allegheny County are filing appeals to try to lower their property taxes.
A cancer once rare in young people has become the number one cause of cancer-related deaths for Americans under age 50.
There is cautious optimism on the North Shore that the Pittsburgh Post-Gazette may continue to publish under new ownership.
From freshly washed cars to air conditioning units to entire porches, dust is blanketing one Westmoreland County neighborhood.
Former patients of Dr. Carl Medgaus are running out of time to try to recover money for unfinished dental work.
A Pittsburgh-area man is not just giving people living with ALS a voice, he's giving them their own voice.
A cancer once rare in young people has become the number one cause of cancer-related deaths for Americans under age 50.
Fish fries can be a quandary for people with heart and other medical issues.
With a measles outbreak in Pennsylvania, local health experts want to send a message to families.
Cracking down on the price of prescription drugs is a hefty task.
Heyward's new contract is said to be worth more than $32 million over two years with the first year of the deal guaranteed.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Damarco Minor followed his own miss to score with 0.7 seconds left and give 15th-seeded Pittsburgh a 64-63 win over 10-seed Stanford in the opening game of the ACC Tournament on Tuesday.
Jackson Blake converted on the decisive shootout goal and the Carolina Hurricanes recovered after relinquishing a two-goal lead late in regulation to beat the Pittsburgh Penguins 5-4 on Tuesday night.
The Baltimore Ravens have backed out of the trade that would have brought in star pass rusher Maxx Crosby from the Las Vegas Raiders.
Forbes' latest ranking of the world's richest people has been released, and the list features billionaires with ties to Pittsburgh.
A fire chief says a fire at an Ohio hog farm complex has killed about 6,000 pigs and unleashed a large plume of smoke that could be seen for miles.
Lawmakers in Harrisburg are looking at bills to tackle dynamic pricing.
The budget airline Breeze is launching a new nonstop route from Pittsburgh to Myrtle Beach this summer.
The lawsuit accuses Nippon of prioritizing revenue over worker safety.
A woman was arrested on Sunday for firing multiple shots at the Beverly Hills home of Rihanna, Los Angeles Police Department officials say.
The countdown is on, as the NFL Draft comes to Pittsburgh and America turns 250 years old.
Hillary Knight, Megan Keller and Jack and Quinn Hughes made a surprise appearance during "Heated Rivalry" star Connor Storrie's opening monologue on "SNL."
The medical drama "The Pitt" has certainly put a lot of eyes on Pittsburgh, and while the stories are fiction, the show highlights some very real things about the city.
Streaming giant Netflix declined to match Paramount Skydance's $31 per share offer for Warner Bros. Discovery.
Optimism seems to be taking off at the Arnold Palmer Regional Airport, as the airport authority not only closes in on finishing a new terminal but also potentially lands another budget airline to call Latrobe home. KDKA-TV's Chris DeRose reports.
Mayor Corey O'Connor's administration has plans to announce that steps are needed to avoid a budget crisis in Pittsburgh.
It's been nearly two years since five people died in a house fire in the city of Jeannette, Westmoreland County. There were eight people — two parents and their six small children — inside the home on March 20, 2024, when flames broke out. Erika Stanish reports.
It's been nearly two years since five people died in a house fire in the city of Jeannette, Westmoreland County. There were eight people — two parents and their six small children — inside the home on March 20, 2024, when flames broke out. Erika Stanish reports.
Bill Fralic was a standout athlete from an early age, and his talent never waned as he forged his path to NFL glory.
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.
