Hey Ray: Sand dunes and why they're important
While that wind on the beach can make a mess, it also makes dunes and these are important!
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While that wind on the beach can make a mess, it also makes dunes and these are important!
One small change in the number that represents magnitude can mean a major difference.
The universe is full of waves, and they are not all created equally. Some are mechanical, and others are electromagnetic, even though they are all energy!
Sometimes prolonged summer heat creates a "heat dome."
Did you know that space weather affects weather here on earth?
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?
Winter officially began at 4:21am today. It is not winter everywhere though. Meteorologist Ray Petelin explains in this week's Hey Ray!
When you think of surfing, you undoubtedly think of sunshine, summer, and the ocean. However, this time of year, you can catch waves up north on Lake Erie! Ray and Elizabeth Petelin spoke to one man who grabs his board and hits the lake up north!
When you think of surfing, you undoubtedly think of the ocean and summer. However, in our area this time of year, you can surf on Lake Erie! Ray and Elizabeth Petelin talk with one man who actually catches waves up north in an all-new Hey Ray!
Certain water bottles on a plane can create an embarrassing mess and Ray Petelin is here to explain how that can happen!
You've certainly seen those large, horizontal clouds in the sky, and while you may think that means tornado - it doesn't. They're either roll clouds or shelf clouds and Ray Petelin explains how they form!
You've certainly heard the sun referred to as a ball of fire in the sky, but is it actually on fire? Ray and Elizabeth Petelin answer that question in an all-new Hey Ray!
If you've ever seen a wheel moving at high speed, it looks like it's moving backward to our eyes, but why? Ray and Elizabeth Petelin are here to explain what that illusion does to your eyes!
Ray and Elizabeth Petelin have a new experiment for you, one that puts a coffee cup in danger but science once again saves the day!
You may have heard that Earth is getting a mini-moon and that seems pretty cool, but will you even be able to see it? Ray Petelin is here to explain!
A viewer wrote in to ask Ray - "Why can we sometimes see the moon during the day?" The answer may not be what you think!
Members of the Kecksburg Volunteer Rescue Squad were shocked to find the locks on their ambulance shed were changed with no notice.
All season long, the Pittsburgh Steelers have depended on a standard formula for winning: stop the run, protect the ball, force the opponent into mistakes.
Nico Hischier had a goal and two assists and Jacob Markstrom made 12 saves for his second shutout of the season as the New Jersey Devils beat the Pittsburgh Penguins 3-0.
The suspect drove through the doors of a JCPenny in Killeen, Texas, and continued inside for "several hundred yards," an official said.
Baristas in cities like Chicago, Los Angeles, and Seattle are organizing in response to what they see as unfair labor practices from Starbucks. Now, they're growing to places like Columbus, Ohio, and Pittsburgh.
Democratic U.S. Sen. Sherrod Brown made clear during a farewell speech Tuesday that he does not plan to abandon his career-long fight for American workers despite suffering a bitter defeat last month in Ohio.
Government watchdog claims Americans lost hundreds of millions to fraud related to the bank-operated mobile payments network.
The U.S. government faced the threat of a shutdown if Congress didn't pass a spending bill before Dec. 21, 2024. Here's a look at the potential impact.
The stopgap measure will fund the government and provide tens of billions in disaster relief.
After Bob Casey lost to Dave McCormick, what comes next for the three-term senator?
There was "snow" stopping people from getting their last-minute presents on Friday.
Workers at Amazon facilities in major U.S. cities went on strike Thursday morning.
You've heard of online shopping and package scams, but what about package scams that come right to your door?
An attempt to cut down on energy bills turned into a financial nightmare for a Beaver Falls man.
American Airlines will soon add nonstop service between Pittsburgh International Airport and Los Angeles International Airport.
Downtown Pittsburgh is turning into a winter wonderland this New Year's Eve! We learned about what you can expect on New Year's Eve in the Steel City!
We moved into the PTL Kitchen to surprise Celina on her last show with us to have a Pompeani Pizza Party!
Your incredible generosity has helped us raise over $90 million for the Free Care Fund at UPMC Children's Hospital. We revealed this year's grand total!
Our PTL Pup Maz was here today! We got to see how her training has been going and if she learned any new commands!
The holiday spirit was in full swing today on the show. David and Heather got to play Santa as they exchanged gifts!
An attempt to cut down on energy bills turned into a financial nightmare for a Beaver Falls man.
A Pittsburgh woman says she's dealing with a rodent infestation because of a neighboring house that's condemned.
Making housing more affordable is the cornerstone of the Gainey administration, but critics say his efforts have fallen short.
High-speed police chases can lead to the arrest of suspected criminals. But do the chases pose a risk to the public?
The University of Pittsburgh says it is jumping into the NIL sphere with both feet.
A University of Pittsburgh research group is reaching new limits and perfecting a robot to help people with ALS live better lives.
Sharon Regional Medical Center employees rallied with family and friends to save the hospital from an impending closure.
Miller Shevitz of Beaver Falls is at his happiest when he's showing off his toys.
Eleven-year-old Jayden Randall of Carrick is one of the children who is alive and thriving today thanks to UPMC Children's Hospital.
Just a few weeks ago, Christine Dankwardt worried walking down the hall would never be possible for her 15-year-old daughter Marissa.
All season long, the Pittsburgh Steelers have depended on a standard formula for winning: stop the run, protect the ball, force the opponent into mistakes.
Nico Hischier had a goal and two assists and Jacob Markstrom made 12 saves for his second shutout of the season as the New Jersey Devils beat the Pittsburgh Penguins 3-0.
Lamar Jackson threw three touchdown passes and Marlon Humphrey scored on a fourth-quarter interception return to help the Baltimore Ravens pull even with Pittsburgh atop the AFC North with a 34-17 victory over the Steelers.
Rickey Henderson is widely considered to be one of the best leadoff hitters and base stealers in baseball.
Dominic DeLuca and Tony Rojas returned interceptions for touchdowns and Penn State toyed with mistake-prone SMU in a 38-10 victory in the opening round of the College Football Playoff.
A pair of businessmen say they have plans to breathe new life into the former Redbeard's on Mount Washington.
Pittsburgh Popcorn's food processing facility has been shut down.
Another restaurant in Pittsburgh's Station Square is closing.
Construction is taking off at the Arnold Palmer Regional Airport.
The new location will be opening sometime next summer.
It seems that every year around the holidays, people tend to revisit a select few movies.
While 2024 may be ending, there's much to look forward to next year, including a major entertainment project by PNC Park.
Tony, Emmy, and Grammy Award-winning artist Barry Manilow will take the stage one final time in Pittsburgh.
Sean "Diddy" Combs filed a motion Friday to dismiss his appeal for bail, meaning he will stay in jail until his trial on sex trafficking charges in May 2025.
Mariah Carey's holiday concert at PPG Paints Arena was canceled on Wednesday afternoon, hours before its scheduled start time.
EMS volunteers at one small Westmoreland County agency are sounding the alarm over thier sudden inability to answer calls. KDKA-TV’s Ricky Sayer shares the story.
Snow across the Pittsburgh area on Saturday morning made a mess of the roads. KDKA-TV's Ricky Sayer was out tracking some crashes and shares some close calls.
Get the latest weather updates with meteorologist Kristin Emery's forecast!
Baristas in cities like Chicago, Los Angeles, and Seattle are organizing in response to what they see as unfair labor practices from Starbucks. Now, they’re growing to places like Columbus, Ohio, and Pittsburgh. KDKA-TV's Chilekasi Adele reports.
Watch as teams from Somerset Area, Penn Hills, and Plum high schools compete on this edition of KD Quiz!
The 71st Annual KDKA Free Care Fund Telethon raised more than $1.7 million. Here are some photos from the night.
Newborn babies at UPMC Magee-Womens Hospital got dressed up in holiday onesies and hats knit by a nurse.
Pittsburgh has won 21 straight regular season home games against Cleveland.
Crews found the body of Elizabeth Pollard, the Pennsylvania grandma who fell into a sinkhole in Unity Township.
A Pennsylvania woman might have fallen into a sinkhole while searching for her missing cat, police said.
