Woolly bear caterpillars and how they can predict winter weather
Ever since weather prediction began, people have looked for ways to determine how winter will go, and one of those ways is caterpillars.
Hey Ray: Hurricanes vs. Nor'easters
A common question this time of year is, "What's the difference between a hurricane and a nor'easter?"
Hey Ray: Why is thunder louder at night?
One viewer wrote in and asked why thunder seems to roar louder at night, and there is some science behind that!
Hummingbird farewell | Hey Ray
With summer winding down, hummingbirds are about to head south, so here's how you can say goodbye.
AR/VR technology | Hey Ray
It used to be said that video games were bad for you, but they have become the building blocks of some pretty cool things.
Hole punch clouds in the sky | Hey Ray
A hole in the clouds grabbed a viewer's attention, so the question is: how do these form?
Hey Ray: Thermal conductivity
When the heat is on, everyone looks for a way to cool off, but did you know that you can give your heat to other objects?
What's that on my security camera? Hey Ray!
Security cameras sometimes pick up interesting things that might look like rain, but it's not rain!
Extreme heat warnings in place for the Pittsburgh area for the third straight day
Thursday is expected to be the hottest day of the week with temperatures expected to reach 95 degrees.
Extreme heat warning in effect for most of Pittsburgh area through Friday
A heat wave is bearing down on western Pennsylvania with high temperatures and "feels like" temperatures expected to be near 100 degrees.
Dangerous heat will hit the Pittsburgh area this week. Here's what to know.
The heat is on in the Pittsburgh area this week. Here's how high the temperatures will get.
Fun stats about summer in western Pennsylvania | Hey Ray!
The summer solstice is early Sunday morning, so here are some stats about the summer in Pittsburgh!
Hey Ray: Getting up close to hummingbirds
If you've ever wanted to get closer to a hummingbird, there are a couple of ways you can make it happen right in your own yard!
Hey Ray: The Hot Chocolate Effect
If you've ever noticed that your morning coffee gets a little musical when you stir it, there's science behind that!
What is Pilot's Glory? Explaining rainbow-like halos around airplane shadows
Pilot's Glory, Glory of the Pilot, or Pilot's Halo — whatever you want to call it, Ray Petelin has an explanation.