Hey Ray: Hot and cold breath
Have you ever noticed that your breath can both warm and cool things down? There is a science behind that!
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Have you ever noticed that your breath can both warm and cool things down? There is a science behind that!
Lisa Emery, a respiratory therapist, is deeply concerned about West Virginia coal miners suffering from black lung disease.
The first supermoon of 2025 will arrive soon. Here's what to know about the phenomenon.
Scientists have discovered prehistoric insects preserved in amber in South America for the first time.
The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather, NASA said.
"Shark Week" is an annual summertime tradition. So, we called on the experts at Mad Science Pittsburgh to teach us more about these fascinating fish! It's a lesson we really sank our teeth into!
NASA has discovered 3I/ATLAS, an interstellar comet that's wandered into our backyard.
The move is part of the government's plans for protecting the U.S. from the New World screwworm fly, which could devastate its beef industry and even kill household pets.
The latest selfie by NASA's Perseverance rover at Mars has captured an unexpected guest: a Martian dust devil.
The universe is poised to die much faster than previously thought, according to new research by Dutch scientists.
A large brood of periodical cicadas is due to emerge in the spring of 2025. These maps show where people should expect to see and hear the bugs this year.
A notably large brood of periodical cicadas will emerge from the underground across parts of the eastern U.S. this spring.
Thanks to a mouse watching clips from "The Matrix," scientists have created the largest functional map of a brain to date.
The first day of spring, also known as the vernal equinox, has arrived in the Northern Hemisphere on March 20, 2025.
National Pi Day is recognized today in the U.S. and around the world. Here's what to know about the quirky holiday, and how to celebrate.
Colossal Biosciences has focused on identifying key traits of extinct animals by studying ancient DNA, with a goal to genetically "engineer them into living animals," said CEO Ben Lamm.
Using the different sides of aluminum foil has been a discussion having some wonder if it makes a difference.
A fun way to collect money can be done through a swirling motion in a money vortex.
Meteorologist Ray Petelin explains how Sun dogs or rainbow colored spots appear in our sky.
It was full STEAM ahead on PTL today. We got to bend the laws of time and space with Ray and Elizabeth Petelin, from "Hey Ray!" This segment was sponsored by Thermo Twin.
Meteorologist Ray Petelin and his daughter Elizabeth take a viewer question this week and explain what Gravity Waves are. Here is this week's Hey Ray!
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?
Have you ever met an astronaut, or piloted a Mars Rover? Those are some of the things you can do at Pittsburgh's inaugural SpaceBurgh Festival in Market Square.
Boaz was in Market Square this afternoon to get a sneak peek at SpaceBurgh!
A man was found shot in the head on South Avenue in Wilkinsburg on Tuesday night.
As temperatures fall throughout the day on Wednesday, afternoon rain will turn into nighttime snow.
A man from Johnstown is now facing multiple charges after he attempted to break into multiple cars in Indiana County late last year.
The fire broke out along Apple Street shortly after 2 a.m. on Wednesday.
Kasperowicz was a star player at North Hills in the early 1990s and coached Mars to the playoffs the past four seasons.
Pittsburgh Steelers head coach Mike Tomlin has informed the team that he is stepping down from his position.
A man was found shot in the head on South Avenue in Wilkinsburg on Tuesday night.
As temperatures fall throughout the day on Wednesday, afternoon rain will turn into nighttime snow.
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The U.S. Supreme Court on Tuesday took on two cases challenging states that bar transgender athletes from participating on sports teams that align with their gender identities. One of them involves a student from West Virginia. Lauren Linder reports.
The Supreme Court heard two cases involving laws from Idaho and West Virginia that ban transgender athletes from participating in girls' and women's sports.
The Supreme Court hears arguments today on whether laws in Idaho and West Virginia banning transgender athletes from competing on girls' and women's sports teams violate the Constitution and Title IX.
The subpoenas threatened a criminal indictment related to Jerome Powell's testimony before the Senate Banking Committee in June 2025, according to the Fed chair.
During an emergency meeting on Saturday night, Masontown borough council voted 6-0 to reinstate its police department.
A handful of Pittsburgh-area Value City Furniture stores are going out of business after their parent company filed for bankruptcy.
It has been five years since the home improvement retailer Menards bought a large parcel of land off Route 30 in Westmoreland County.
If you get a ticket in the city of Pittsburgh, there could be a higher chance that instead of getting it on your car windshield, you're getting it in the mail.
Western Pennsylvania is grappling with a December that has been significantly colder than in years past.
Pennsylvania will receive nearly $7 million as part of a nationwide settlement with Mercedes-Benz USA.
Boaz is checking out Leona's Ice Cream.
Did you know it's National Mocktail Week? Daisy Jade introduces us to Madame Mocktail.
Pittsburgh Restaurant Week is in full swing. We're getting a taste of what's on the menu at Hofbräuhaus.
It's time to play What's It Worth with Dr. Lori.
We're learning more about sound baths.
Stray voltage from a nearby streetlight shocked Montana Mitchell and her dog, leaving the dog immobile.
Twin boys have been seen selling lemonade for long hours several times a week on street corners throughout Pittsburgh and the suburbs.
A woman says she and her dog were shocked while running in Pittsburgh's Strip District.
Here's a look at the reasons behind the drop in violent crime and the hope that the trend continues into the new year.
Health care workers say a powerful new street drug is clogging Pittsburgh-area emergency rooms with people suffering from violent withdrawal symptoms.
The yearly tradition marks the start of months of training for Pittsburgh Marathon participants.
Firefighters have a 62% higher risk of cancer, and this week, the New Castle Central Fire Station hosted pre-screenings.
Once the holidays are over, we often find ourselves in a funk, so how can we find ways to boost our mood?
A major expansion in women's health care is taking shape in Washington County.
Flu cases keep increasing, but at least one Pittsburgh-area emergency room doctor says not everyone needs to visit him.
Kasperowicz was a star player at North Hills in the early 1990s and coached Mars to the playoffs the past four seasons.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Mike Tomlin stepped down as head coach of the Pittsburgh Steelers after 19 seasons with the team.
The Tampa Bay Lightning beat the Pittsburgh Penguins 2-1 on Tuesday night for their 11th straight win.
Mike Tomlin thanked Steelers fans and reflected on his time as coach of the team after stepping down from his job on Tuesday.
Pittsburgh Mayor Corey O'Connor on Tuesday announced a new initiative aimed at revitalizing neighborhood business districts across the city.
A handful of Pittsburgh-area Value City Furniture stores are going out of business after their parent company filed for bankruptcy.
It has been five years since the home improvement retailer Menards bought a large parcel of land off Route 30 in Westmoreland County.
The Macy's location at the Pittsburgh Mills Mall will be among the several closures.
With the Steelers hosting their first playoff game with fans in the building since 2018, a lot of revenue is expected to be made in the city.
Scott Adams, the cartoonist who created the "Dilbert" comic strip, has died at the age of 68, his first ex-wife revealed on Tuesday.
"The Pitt" won big at the Golden Globes on Sunday night.
The 2026 Golden Globes honored the standouts in both film and television from last year. See the full list of winners and nominees.
Here is everything you need to know about how to watch and stream the 2026 Golden Globes.
Bob Weir wrote or co-wrote and sang lead vocals on Grateful Dead classics including "Sugar Magnolia," "One More Saturday Night" and "Mexicali Blues."
A man was found shot to death in the middle of the road in Wilkinsburg on Tuesday night.
Get the latest weather updates with meteorologist Ron Smiley’s forecast!
Firefighters were called just after 2 a.m. Wednesday when the home along Apple Street in the city's Lincoln-Lemington-Belmar neighborhood went up in flames.
KDKA-TV's Bob Pompeani and 93.7 The Fan's Andrew Fillipponi discuss the sports topics of the day.
Stay on top of local weather with First Alert Meteorologist Ray Petelin's forecast!
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.
