Hey Ray: Making a model of the atmosphere
You may have heard that the atmosphere is a fluid, we'll show you how to make a mini model of the atmosphere!
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You may have heard that the atmosphere is a fluid, we'll show you how to make a mini model of the atmosphere!
Certain things just seem impossible but with science? They become possible.
I often get asked why the temperatures we report are different from what you see on your home thermometer.
I accidentally mixed hard-boiled eggs and raw eggs. Now, how can I tell the difference?
Our atmosphere, it's kind of just a big sandwich!
How big hail can get is all about wind!
In our solar system, we notice things because of the science of shine, and for this shine discussion, we are going to focus on the only star in our solar system: the sun!
One viewer asks: Why is it on very windy days the water level in the toilet bowl is low?
Our eyes and brain can sometimes play tricks on us!
You may be familiar with a social media trick that makes a screwdriver levitate...does it work?
When you think of magnetic money, you think of coins, but it's your paper money, too!
It's a question I get a lot, so let's try to answer it!
Did you know that Pi can be used to make a prediction?
Let's do some "survival science" like how to find your direction!
Even though certain metals may not be magnetic, they can still interact with magnets!
Spots on the Sun's surface can tell us a lot about what is going on with the Solar Cycle. Ray Petelin explains why they're important to watch in a new Hey Ray!
You may have heard us talk about "meteorological seasons" that don't match up with the seasons you typically see on the calendar. While that may sound weird, there is a reason meteorologists use these different dates. Ray Petelin explains in a new Hey Ray!
One viewer wrote in to ask Ray Petelin, why do storms have different names around the world? Well, while it's true they do go by different names around the world, they're still the same kind of storms.
As summer winds down, we start to reach the peak of hurricane season, which leads to a lot of questions of how hurricanes form. Ray Petelin explains in a new Hey Ray.
Some kind of clouds can help predict the weather.
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!
Kickoff from Cameron Stadium in Washington is set for 2 p.m.
The search for Ruben Carranza began with hope, but now only questions and grief remain more than 10 weeks later.
Pittsburgh Riverhounds head coach Bob Lilley was placed on administrative leave on Friday.
A list of Pennsylvania high school football scores for October 10, 2025
Three Pittsburgh-area men were arrested on prostitution charges during a sting by a human trafficking task force in Ohio.
The government shutdown is now in its tenth day.
A federal grand jury has indicted New York Attorney General Letitia James, marking the second Trump foe to face federal prosecution in recent weeks.
The announcement comes days after President Trump presented a 20-point peace plan aimed at ending the war in Gaza.
Former FBI Director James Comey, a longtime foe of President Trump, appeared in Virginia for an arraignment, in his first court appearance since he was charged.
Allegheny County Executive Sara Innamorato proposed a 2026 budget with no tax increase.
The Community Supermarket in the Heights Plaza Shopping Center is closing.
It's the age-old question for Pennsylvanians: Sheetz or Wawa?
Some Pittsburgh-area towns accuse one mall owner of deliberately running down his properties.
This closure marks the latest in a long list of retailers that have pulled out of the mall.
Spirit Christmas is coming to the Pittsburgh area this holiday season.
That's a wrap for this week on PTL! Here's a look back at the fun we had.
A Beaver County boy was not hurt when he got lost in a neighbor's cornfield earlier this week. Thankfully, he had a loyal dog that stuck by his side the whole time.
Local maker, Calamityware, is donating a portion of their October proceeds to the KDKA-TV Turkey Fund. Here's how you can get your hands on their fun, quirky and whimsical designs.
In this edition of 'Burgh Buzz, Heather and David have a look at some of the fall festivals and activities going on around western Pennsylvania.
We're chatting with two of the actors from the Pittsburgh Opera as they prepare to bring the classic musical, "La Bohème," to the Benedum Center stage.
People rallied to try and save both jobs and medical care at the only Allegheny Health Network facility in New Kensington.
The Jewish Federation of Greater Pittsburgh is responding after learning a swastika and what appears to be a German war eagle were found tiled into the floor of a Beaver County home.
Some Pittsburgh-area towns accuse one mall owner of deliberately running down his properties.
KDKA Investigates looked into what's behind the county's success in preventing deadly crime.
A Fayette County flower shop is sounding the alarm after learning another out-of-state business appears to be impersonating its company.
Families learn to overcome fear and find strength as they talk openly about loving someone who's struggling with addiction or recovery.
West Virginia Gov. Patrick Morrisey has been walking a mile a day, and urging others to do so.
What Michelle Best of Cook Forest thought would be an easy bike ride landed her in the hospital and in a wheelchair.
Dr. Zach Shasteen is back in the studio. The chiropractor is showing us some stretches you should be doing before going to the pumpkin patch and carving your jack-o-lantern.
In the age of AI, it's easy to ask the technology about everything, including your health, but a doctor cautions, it could mean life and death.
Kickoff from Cameron Stadium in Washington is set for 2 p.m.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Pittsburgh Riverhounds head coach Bob Lilley was placed on administrative leave on Friday.
A list of Pennsylvania high school football scores for October 10, 2025
Kickoff at Jim Garry Stadium is set for 7:00.
People rallied to try and save both jobs and medical care at the only Allegheny Health Network facility in New Kensington.
The Community Supermarket in the Heights Plaza Shopping Center is closing.
It's the age-old question for Pennsylvanians: Sheetz or Wawa?
The company recently applied for $7.5 million in state grant funding that would be used to tear down the existing mall structures to make way for redevelopment.
Some Pittsburgh-area towns accuse one mall owner of deliberately running down his properties.
The trailer for Season 4 of the Pittsburgh-filmed drama "Mayor of Kingstown" is out.
A ribbon-cutting and induction ceremony for the first 10 names being added to the Pittsburgh Walk of Fame will be held later this month.
It's been 15 years since a song talking about a couple of colors made a music artist a household name.
Dolly Parton's spokesperson told CBS News that she was filming the video to address fans' concerns.
Disney is hiking single-day ticket prices at two of it most popular parks for certain holiday periods.
KDKA-TV's Rich Walsh and the Post-Gazette's Brian Batko discuss the sports topics of the day.
High school football highlights for October 10, 2025, from the Pittsburgh area.
Steelers Style 2025, the team's annual fashion show, was on Friday.
Get the latest weather updates with First Alert Meteorologist Trey Fulbright's forecast!
The search for Ruben Carranza began with hope, but now only questions and grief remain more than 10 weeks later.
The 44th annual KDKA-TV Turkey Fund will help our neighbors in need have a nice meal for Thanksgiving.
West Virginia scored a late touchdown to tie the game and then beat Pitt in overtime to win the 108th Backyard Brawl.
Eli Holstein threw for 304 yards and 4 touchdown passes in the 45-17 Panthers' win over the Chippewas.
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.
