Hey Ray: Inertia and Apples
The science of motion can often surprise you - and an inertia experiment could have the opposite results from what you think!
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The science of motion can often surprise you - and an inertia experiment could have the opposite results from what you think!
We see icicles hanging down from awnings and roofs, but have you ever seen them form sideways?
The temptation to walk or play on ice during the winter is high, but staying safe is more important. Here's how you can check if it's safe.
Whenever we get a big snowfall, people ask, "Why is snow white?" The answer, as always, is science!
People, things, and places are named for many different reasons, but how did the Arctic and the Antarctic get their names?
Every time snow is in the forecast, three magic words are uttered somewhere in western Pennsylvania!
A White Christmas is nice, but in Pittsburgh, the weather is much more interesting on December 25.
People always love to brag about how much snow they used to get back in the day, but who really has the bragging rights in Pittsburgh?
Have you ever noticed that your breath can both warm and cool things down? There is a science behind that!
Mixing drinks is a time-honored tradition, but did you know that you can use milk to knock the color out of cola?
Lighting a candle seems normal, even easy, but there's a lot of science behind getting the flame lit and keeping it lit!
Have you ever been around a bonfire only to find that the smoke seems to follow you around? Well, there's science behind that!
While some call it pop, and others call it soda, this experiment will be more about popping than about what you call Coca-Cola!
Have you seen the Northern Lights? They're more than just pretty colors; when you see them in Pittsburgh, there's science behind it!
You often hear meteorologists talk about meteorological and astronomical seasons, but what is the difference?
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!
A pharmaceutical company issued the recall after receiving complaints of "gel-like mass and black particles" in the product, the FDA said.
A student brought pepper spray and "an electronic stun device" on a Chartiers Valley School District bus Friday morning, police said.
Meteorite hunters are combing Ohio for fragments of a space rock that streaked across the sky earlier this week.
The annual KDKA Fish Fry Guide is back for Lent! Check our listings for a 2026 fish fry near you in Pittsburgh.
A man is facing charges after law enforcement said they seized drugs, guns, tens of thousands of dollars and a boat from a home in Coraopolis.
President Trump's director of the National Counterterrorism Center, Joe Kent, announced his immediate resignation Tuesday, citing the administration's decision to intervene in Iran.
U.S. intelligence has circulated to President Trump's inner circle that Iran's late supreme leader had misgivings about his son replacing him, viewing Ayatollah Mojtaba Khamenei as not very bright.
TSA officers faced their first full missed paycheck Friday.
"The president is constantly critical on mail-in voting, and that's ridiculous," Democratic Sen. John Fetterman said Wednesday.
"I think, overall, what's accomplished is remarkable," Sen. John Fetterman told CBS News chief White House correspondent Major Garrett in an interview Wednesday.
Studies show nearly 25% of Pennsylvanians can't pay their power bills at least once a year.
After a rat raised questions about health and safety at The Urban Tap, the owner says the South Side business is ready to gain back the public's trust.
Looking to get free shipping when you make an online purchase, but your order doesn't qualify? Here's how you can change that!
Pennsylvania farmers say economic factors like diesel fuel and fertilizer costs are pushing them to the edge.
The gas price spikes are real and apparent. Here's how Pittsburgh drivers can save money.
Kati is back and she's challenged Heather and David to a flower-arranging showdown!
The duo turned a simple stair lift into a first-class feline transportation machine, and now, Mama Lu and Angel have become the talk of TikTok.
Remember way back when when Heather Abraham's Taste It Tuesday pie wouldn't set? Well, we're making sure it never happens again because Terina from Cobblerworld is here to help us do some better baking!
For 75 years, Page's Dairy Mart has been a staple of the Pittsburgh community, and now they're debuting their very own ice cream truck! PTL's Daisy Jade got the "scoop" about this "sweet" ride.
Kati Nairn from Beyond Gray joins the show and she gives Heather and David some simple, stylish swaps that will make your home feel like spring!
An inspection sheds light on why dust is blanketing a neighborhood in Westmoreland County.
The O'Connor administration will begin taking a scalpel to Pittsburgh's finances as it tries to close a $30 million to $40 million budget hole.
Residents in the area of Rochester, Beaver County, say a persistent chemical smell has taken over the air.
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.
When doctors found out Ainsley Flynn had viral myocarditis, they leaped into action to save her. Now, Flynn is giving back.
UPMC Hillman Cancer Center is exploring everything radiation treatment can treat, and the success has been life-changing for people.
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.
Penn State's women's hockey team will take on Wisconsin at home in the national semifinal.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
The first two days of the NCAA men's basketball tournament are considered by many fans to be an undeclared holiday and the unofficial beginning of spring.
The race is being run on Saturday morning during the weekend of the NFL Draft.
The school district said it's able to replace the turf and track thanks to grant money it received last year from the Tull Foundation.
Pittsburgh's newest music venue released a lineup of its first concerts on Monday, giving a taste of what's to come at Citizens Live at the Wylie.
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.
A fast-casual restaurant and a massive plaza will be open on April 2 on Pittsburgh's North Shore.
Pittsburgh CLO and Pittsburgh Public Theater are forming a new organization.
Pittsburgh's newest music venue released a lineup of its first concerts on Monday, giving a taste of what's to come at Citizens Live at the Wylie.
Hollywood's biggest stars were honored at the 98th annual Academy Awards on Sunday. Here is what to know and how to watch the 2026 Oscars.
A woman was arrested on Sunday for firing multiple shots at the Beverly Hills home of Rihanna, Los Angeles Police Department officials say.
Kati is back and she's challenged Heather and David to a flower-arranging showdown!
The duo turned a simple stair lift into a first-class feline transportation machine, and now, Mama Lu and Angel have become the talk of TikTok.
Mikey Hood introduces several Pennsylvania children waiting to meet their forever families.
Remember way back when when Heather Abraham's Taste It Tuesday pie wouldn't set? Well, we're making sure it never happens again because Terina from Cobblerworld is here to help us do some better baking!
For 75 years, Page's Dairy Mart has been a staple of the Pittsburgh community, and now they're debuting their very own ice cream truck! PTL's Daisy Jade got the "scoop" about this "sweet" ride.
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.
