
Hey Ray: Frost wedging
Potholes make your commute this time of year a brought one, but what causes them?
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Potholes make your commute this time of year a brought one, but what causes them?
You may wonder why we meteorologists don't just use wind chill - here's why!
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!
Potholes this time of year can make your commute a rough and expensive one but what causes potholes? Ray and Elizabeth Petelin are here to tell you!
Many people have asked, if wind chill makes it feel like -22, then why isn't the temperature considered -22? Ray and Elizabeth Petelin are here to answer just that!
How does Santa make his trips across the world in one night? KDKA's Ray Petelin thinks he has figured out the science behind it!
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 term "Graupel" but what is it and how does it form?
Have you ever noticed how much science is packed into a single can of pop? Meteorologist Ray Petelin shows us some of what is going on with the fizzy beverage, along with a tip on how to keep a shaken can of pop from exploding!
Many people get them confused but weather and climate are not the same. That's what Ray and Elizabeth Petelin are here to explain!
We're at the time of year when you start hearing the term "bomb cyclone." So, what does that mean? Ray and Elizabeth Petelin tell you all about it!
You certainly have seen the toy that rocks back and forth known as the thirsty bird but as Ray and Elizabeth tell us - a lot of science goes into it!
When major weather events like hurricanes happen, Ray Petelin gets plenty of questions. This morning, he's answering a popular one about hurricanes and rain.
State Rep. Jose Giral is introducing a bill that would establish a post-Labor Day start for Pennsylvania schools.
Stream Around The Table segments here on CBS News Pittsburgh.
U.S. economy grew at 2.9% rate in last three months of year despite pressure of high rates and fears of recession.
Earlier this month, Trump's presidential campaign asked Meta to reinstate him on the social media platform.
As in other states with digital IDs, Pennsylvania's version would be optional.
There are very few things we all need, and toilet paper is one of them. But did you ever look at your store receipt after buying it?
There are very few things we all need, and toilet paper is one of them. But did you ever look at your store receipt after buying it? One Murrysville woman did and doesn't like what she saw; KDKA's Meghan Schiller reports.
If someone steals money from their employer, they could be guilty of a serious crime. But what if an employer takes money from their employee's paychecks? There's a good chance they'll get away with it, a CBS News investigation found.
Senators grilled Ticketmaster Tuesday, questioning whether the company's dominance in the ticketing industry led to its spectacular breakdown last year during a sale of Taylor Swift concert tickets.
It's Girl Scout Cookie season and the girls are doing all they can to support their adventures, but buyer beware, it seems like nothing good goes unscathed these days.
We're helping our neighbors in need pay utility bills this winter with the Dollar Energy Fund's Cool Down for Warmth.
We're helping our neighbors in need pay utility bills this winter.
PTL's Daisy Jade is checking out the Learn to Skate program at Printscape Arena at Southpointe with PTL video editor Paige!
We're back in the PTL Kitchen with our friend, big Burrito Group Chef Bill Fuller, who is back from a trip to California to work on Mad Mex's menu!
PTL's Celina Pompeani-Mathison is outside at the Ice Desk with Dollar Energy Fund CEO Chad Quinn. Donating to the Cool Down for Warmth help your neighbors in need pay their utility bills.
Several national real estate corporations have been buying hundreds of single-family homes in the Pittsburgh region, turning them into rentals.
They say justice delayed is justice denied.
But $40 million and four years later, 420 Boulevard of the Allies is still not renovated or open for business.
KDKA's Andy Sheehan spoke to business leaders in Pittsburgh on the city trying to bounce back after the "Pittsburgh pause."
Due to the increase in violence in schools, heightened calls for more school security, and for districts to have their own police departments.
None of the contaminated products have been sold in the United States, the agency told CBS News.
It won't be long until local churches, fire departments and other organizations start frying up some fish.
A French biotech company developing a new type 2 diabetes drug is opening its American headquarters in Pittsburgh.
Allegheny County is launching a five-year plan to make the county a healthier place to live, learn, work and play.
The FDA wants to simplify the Covid-19 vaccine process to look more like what happens with the flu vaccine, according to documents posted online.
Steelers president Art Rooney II said he was encouraged by the team's second half of the season.
The Pittsburgh Pirates announced its latest signing, Jun-Seok Shim, the 10th-ranked international prospect.
Some patients at Children's Hospital got a special visit on Wednesday from Steelers quarterback Kenny Pickett!
The move comes after Tristan Jarry was a surprise scratch on Tuesday night.
Kris Letang was back in the lineup on Tuesday night in a wild back-and-forth game.
It won't be long until local churches, fire departments and other organizations start frying up some fish.
Every year, working people across the country are victims of wage theft to the tune of billions of dollars.
Google is laying off 12,000 workers, or about 6% of its workforce, becoming the latest tech company to trim staff as the economic boom that the industry rode during the COVID-19 pandemic ebbs.
Party City has filed for Chapter 11 bankruptcy protection after struggling with rising prices and a pullback in customer spending.
Whether they're scrambled, poached, fried, or over easy, eggs are the foundation of breakfast, but lately restaurants and cooks have been looking for alternatives as egg prices have soared.
The songwriter announced his acoustic tour and PPG Paints Arena is one of the stops.
The weekend is almost here and there's plenty to do in the Burgh!
A Pittsburgh eatery known for its Mediterranean dishes has landed on a popular list of the top 100 restaurants to eat at in the United States this year.
Bad Bunny, Mary J. Blige, Brandi Carlile, Luke Combs, Steve Lacy, Lizzo, Kim Petras and Sam Smith will take the stage on "Music's Biggest Night."
Senators grilled Ticketmaster Tuesday, questioning whether the company's dominance in the ticketing industry led to its spectacular breakdown last year during a sale of Taylor Swift concert tickets.
Get the latest weather updates with meteorologist Ray Petelin's forecast!
Ryan Shazier told KDKA-TV's Royce Jones all about it.
It comes after the three boroughs previously voted to dissolve their departments and merge.
A missing McKeesport man was found shot to death this morning.
Attorney Pete Giglione said his client's future is uncertain.
The Steelers started out with a 2-6 record before going 7-2 down the stretch to finish 9-8, just missing out on making the playoffs.
Hundreds of law enforcement officials attended the funeral for Brackenridge Police Chief Justin McIntire at Mt. St. Peter Roman Catholic Church in New Kensington on Jan. 11, 2023.
The Steelers have now won 19 straight regular season home games against Cleveland.
The Ravens came to town and went home with a 16-14 win over the Steelers.
Since 1954, KDKA-TV has partnered with UPMC Children's Hospital of Pittsburgh to help support the hospital's Free Care Fund with our annual Free Care Fund Telethon during the holiday season. Here's a look behind the scenes of the 69th annual telethon!