Hey Ray! How MRI's Work
Have you ever had to get an MRI? That is the loud machine with a very powerful magnet that can make images of the inside of your body.
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Have you ever had to get an MRI? That is the loud machine with a very powerful magnet that can make images of the inside of your body.
The night sky is full of amazing things during the summer! One thing that peaks in August is the Perseid Meteor Shower, and it can be one of the biggest celestial highlights in the summer.
When people refer to heat lightning, they are usually talking about seeing lightning, but not hearing thunder in the evening or nighttime, usually during the summer months.
Have you ever tried to pour something from one coffee cup into another, only to have the liquid seemingly stick to the side of the cup, resulting in a mess? Meteorologist Ray Petelin explains the science that makes that mess can also help us perform a pretty cool trick!
Smog and air quality issues can happen in our area any time of the year. Meteorologist Ray Petelin shows us how some weather patterns and our daily routines can also make the air quality worse.
If you think about it, water can be kind of weird.
Gravity is the force that attracts things toward other things that have mass.
It may be controversial to say in these parts, but it is ridiculous to use relative humidity as an indicator of comfort.
We all know that in the summer, our cars basically turn into ovens.
Last week, we talked about how light pollution makes it harder, if not impossible to see some amazing things in the night sky.
During the daytime, when you look to the sky you can't see stars, or sometimes planets that you can see at night. While daylight is the obvious reason, at night we may not be able to see some of the good stuff because of different kind of light called light pollution.
This is a fun experiment that is easy to do and requires very little set up. I like to call it the "Invisible Extinguisher," since it puts a candle out by using what seems to be an empty glass.
or most of us, television has been around for most of our lives. A click of a remote, and information and entertainment appears before our eyes. A lot goes into making that seemingly easy thing happen, though.
We have done a lot of experiments and covered a lot of topics. This time, we are going to play around with density, and use its ingredients to make some weird science.
One of the most attention getting weather phenomena is the rainbow.
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!
Comedian Bert Kreischer will return to Pittsburgh for another show at PPG Paints Arena in 2026.
The man accused in the murder of UnitedHealthCare CEO Brian Thompson had asserted his right to appear in person, but the federal government denied his request.
A popular Midwest grocery chain appears to be inching into the Pittsburgh area.
Pfizer's CEO said President Trump's threat of tariffs motivated his company to take swift action.
The Senate plans to vote for a House-passed bill to keep the government open, but Democrats remain opposed ahead of a midnight deadline. Follow live updates here.
Pfizer's CEO said President Trump's threat of tariffs motivated his company to take swift action.
The Senate plans to vote for a House-passed bill to keep the government open, but Democrats remain opposed ahead of a midnight deadline. Follow live updates here.
President Trump's Justice Department has brought criminal charges against James Comey, indicting him on two counts, though a federal grand jury rejected one count.
The Trump administration is raising the stakes as Congress faces a looming deadline to pass a government funding bill.
President Trump on Thursday signed an executive order that paves the way for a deal brokered by his administration to keep TikTok operating in the U.S.
A popular Midwest grocery chain appears to be inching into the Pittsburgh area.
As Starbucks announces its plan to close "underperforming" locations nationwide, at least two Pittsburgh stores will close their doors this weekend.
Next week, the electric vehicle tax credit will end, and if you're looking to buy a new car, you might need to act quickly.
A popular shopping destination in Robinson Township could soon have a new owner.
A Fayette County flower shop is sounding the alarm after learning another out-of-state business appears to be impersonating its company.
PTL hosts Heather Abraham and David Highfield discuss Pittsburgh culture, trending news and social media, food, sports and more. Plus, a preview what's to come on today's show.
Melanie Taylor, from 100.7 STAR Pittsburgh, has the latest celebrity gossip and news in a new edition of Pop Talk Live.
We're chatting with representatives from the American Cancer Society about the annual Making Strides Against Breast Cancer Walk, which will kick off Breast Cancer Awareness Month in Pittsburgh.
The family behind LaBella Bean Coffee House and Eatery in the South Hills joins us in the kitchen for National Coffee Day!
PTL's Daisy Jade is back at Lincoln Park Performing Arts Center for a preview of their latest production, "Guys & Dolls." Everyone knows this classic number, "Luck Be a Lady."
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.
Pittsburgh councilmembers plan on introducing new legislation that will change the zoning code for vape shops.
People who live next to a blighted and abandoned property in Sharpsburg say they're living in a nightmare.
The new year is starting at Pittsburgh's colleges and universities, but there will be fewer international students on campus.
We're chatting with Dr. Brenda Mendizabal, of the American Heart Association of Greater Pittsburgh, about heart healthy habits for children ahead of this weekend's annual Heart Walk at Hartwood Acres.
We're chatting with Dr. Joanna Fong-Isariyawongse, of the University of Pittsburgh's Department of Neurology. She's explaining why beauty sleep is absolutely a real thing and that it's vital for your health.
President Trump's announcement this week about an alleged link between Tylenol and autism has drawn pushback from medical experts.
Andy Potocki went to the dentist in February of 2024 and asked his hygienist about some tenderness in his jaw.
The annual Walk to End Alzheimer’s is coming up this fall. Hear more about how the walk benefits Pittsburgh neighbors.
The Pirates also extended the contract of manager Don Kelly on Monday.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
After replacing Derek Shelton as manager of the Pirates in May, the team announced that Don Kelly's contract had been extended.
The Pirates haven't made the postseason since 2015.
Team Europe is taking the Ryder Cup back across the Atlantic Ocean. The final score: Europe 15, United States 13.
Nippon Steel and U.S. Steel are pledging $100 million in upgrades to the historic plant in the Mon Valley.
A Fayette County flower shop is sounding the alarm after learning another out-of-state business appears to be impersonating its company.
Businesses in Pittsburgh are preparing for a busy weekend.
Sheetz is the second-best employer in the nation for retail workers, according to a new list from Fortune.
Forbes has ranked the top 400 richest people in America, and the list features billionaires from the Pittsburgh area.
Comedian Bert Kreischer will return to Pittsburgh for another show at PPG Paints Arena in 2026.
The NFL, Apple Music and Roc Nation announced Bad Bunny will lead the 2026 Super Bowl halftime festivities at Levi's Stadium on Feb. 8 in Santa Clara, California.
Selena Gomez married Benny Blanco, the music producer and songwriter to whom she'd been engaged since last year. Gomez shared photos from the ceremony on social media.
Two major TV station owners, Sinclair and Nexstar, said they would return "Jimmy Kimmel Live!" to the air Friday after preempting the show last week.
Jimmy Kimmel returned to his late-night show just less than a week after network broadcaster ABC pulled "Jimmy Kimmel Live!" over remarks he made about the assassination of conservative activist Charlie Kirk.
Stay on top of local weather with First Alert Meteorologist Mary Ours' forecast!
The Shaler Area School District is the latest to wrestle with the issue of closing a school. As KDKA-TV’s Megan Shinn reports, parents are not happy with the prospect of closing Shaler Area Elementary School and sending their kids to other schools.
PTL hosts Heather Abraham and David Highfield discuss Pittsburgh culture, trending news and social media, food, sports and more. Plus, a preview what's to come on today's show.
Barry Pintar has the story on the quiet accolade that's making a difference on a positive note.
Get the latest weather forecast from KDKA-TV First Alert Meteorologist Ron Smiley!
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.
