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?
Did you ever notice your breath can heat and cool things? Meteorologist Ray Petelin shows us the science of how that works!
You certainly know the dark color of pop, but did you know you can use milk to take the color out of it? Ray Petelin shows you the science in a new Hey Ray!
Lighting a candle seems pretty normal, and pretty easy, but sometimes, the way it lights can be anything but normal. Ray Petelin breaks down the science in a new Hey Ray!
Have you ever been sitting around a campfire, get up and move, only to have the smoke you were trying to avoid follow you? Well, as Ray Petelin explains, there's a scientific reason for that!
Whether you call it pop or you call it soda, there's a way to make the can go pop without cracking the tab! Ray Petelin shows you how in a new Hey Ray!
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.
The Panthers and Badgers' 2026 game has been canceled, but the schools will meet in Dublin in 2027.
A water main break that affects the courthouse and sheriff's office has closed both for the day.
An hours-long standoff ended early on Friday morning, and a man wanted in New Jersey was taken into custody in Sharon.
Have you noticed that traffic in Pittsburgh during the holiday rush has been worse than usual? So, what's causing it?
The morning is starting off pretty cold, and the low temperatures in Pittsburgh could set a record for December 5.
A Pittsburgh attorney has filed a petition on behalf of the family of a Colombian man killed in a U.S. military strike on a boat in the Caribbean.
Republican Rep. Brian Fitzpatrick said he was readying a plan that would extend the Affordable Care Act subsidies for two years.
President Trump, facing criticism that he's focused more on international issues than kitchen-table concerns, will rev up his domestic messaging, two GOP sources said.
Authorities say the FBI has arrested a man suspected of placing pipe bombs outside RNC and DNC headquarters on the eve of the Jan. 6, 2021, Capitol riot.
The Trump administration says it will withhold funds for administering SNAP food aid in most Democratic-controlled states starting next week unless they provide data about those receiving the assistance.
Federal funding will finally be available to thousands of families in Pennsylvania to help pay their heating bills.
Electric prices in Pennsylvania are going up next month.
Saturday's grand opening included live music, food, and a meet-and-greet with Lego Master Krist Kay.
Thursday will be the first time many people cook and host Thanksgiving dinner - here's how you can avoid illness and danger.
To much fanfare, the 51st Aldi opened in the Pittsburgh area on Thursday morning.
Pittsburgh Magazine's Sean Collier tells us about four things to see and do this weekend.
Heather and David are joined by Pamela Mysels from Fine Wine & Good Spirits to learn how to make some seasonable sips!
Heather and David are learning about a new eye care option in Cranberry Township, and how screens are adding to your eyes’ wear and tear.
Mikey is hanging out with Joey Thurby from Neighborhood Ford Store to learn what her car needs, now that winter is here.
Former Steelers quarterback and founder of the Best of the Batch Foundation Charlie Batch is in studio with Heather and David to talk about the PTL Toy Drive, specifically what happens to the gifts once the toy drive is over.
Veterans are outraged after learning about damage done to gravesites at a cemetery in Fayette County.
Artificial intelligence is watching where people park in Pittsburgh.
Drivers who were convicted of infractions years ago are being told to surrender their licenses or file costly appeals because Allegheny County never processed the paperwork.
For most students, the most dangerous part of their day is going to and from school.
Shopping malls are under threat from online shopping and disappearing customers, and many are facing the wrecking ball.
Western Pennsylvania counties are seeing vaccination rates fall among school-aged children.
The discussion happens every year: shoveling snow can lead to heart attacks, and one AHN cardiologist explains why it's a risk.
A little boy from Delaware County is getting his once-in-a-lifetime wish, just in time for the holidays.
Consumers with the imported pans should throw them away due to the severe health risks posed by lead, the agency warns.
With costs expected to go up for the Affordable Care Act, people are examining potentially more affordable options.
The Panthers and Badgers' 2026 game has been canceled, but the schools will meet in Dublin in 2027.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Skenes and Dunne joined a two-day USO Tour and visited sailors abord the USS Gerald R. Ford and the USS Mahan.
It all starts Friday night at the Petersen Events Center in Oakland.
Evgeni Malkin scored his second goal of the game with 2:43 left and the Pittsburgh Penguins beat the Tampa Bay Lightning 4-3 on Thursday night for their fourth victory in five games.
Members of the Newspaper Guild of Pittsburgh voted last week to end their three-year-long walkout.
Norfolk Southern railroad worked with the state of Ohio and Youngstown State University to revive plans for a $20 million first responder training center near the site of the worst derailment in a decade in East Palestine, Ohio.
A report on the future of water in central Ohio warns that industrial demands for water will skyrocket at the same time experts expect farmers will need to regularly irrigate their fields.
The U.S. Department of Energy says it's loaning $1 billion to help finance the restart of the nuclear power plant on Pennsylvania's Three Mile Island.
A new Barnes & Noble is coming to Pittsburgh.
Vanessa Hudgens and former Pittsburgh Pirates player Cole Tucker welcomed their second child.
Christina Aguilera and Liev Schreiber were spotted at Wednesday's Pittsburgh Penguins game at PPG Paints Arena.
Jimmy Cliff, who famously sang about the "many rivers" we all must cross, has died after suffering a seizure and pneumonia, his family say.
Donald Glover, who performs under the moniker Childish Gambino, revealed he suffered a stroke last year, which forced him to cancel his tour.
Fans of Jeff Goldblum are seeing double.
You may have noticed that the holiday shopping traffic has been pretty rough this year, but there's a reason for that. John Shumway reached out to PennDOT to find out why.
Stay on top of local weather with meteorologist Trey Fulbright’s forecast!
Lift access at Seven Springs will begin at 8 a.m. on Saturday.
Paul Skenes and Livvy Dunne connected with more than 1,300 sailors during a two-day USO Tour.
It all starts Friday night at the Petersen Events Center in Oakland.
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.
West Virginia scored a late touchdown to tie the game and then beat Pitt in overtime to win the 108th Backyard Brawl.
