There are a lot of gun terms thrown around in the media these days, like "clip," "casings," and "semi-automatic." But if you're not familiar with firearms, many of these terms might go over your head. This glossary of common gun lingo will help clear things up so you can be an informed part of the conversation.

Here are last week's best online videos, including: Samsung Galaxy S9 and S9+ Official Introduction, best makeup hacks, mysterious lights over Milwaukee, Honest Trailers does the 2018 Oscars and more!

Here are last week's best online videos, including: Barnaby Joyce gets walloped by John Oliver, Fergie wallops the US National Anthem, Bill Gates does not know how much groceries cost and more!

My daughter recently told me the one rule for playing with pretend guns at her preschool: "You can shoot someone. But you have to ask them if it's ok first. And they have to say yes."

And that was that. She went on eating her waffles. I had more questions.

America has experienced yet another mass shooting, this time at the Mandalay Bay Resort and Casino on the strip in Las Vegas, Nevada. It is reportedly the deadliest mass shooting in U.S. history.

As a criminologist, I have reviewed recent research in hopes of debunking some of the common misconceptions I hear creeping into discussions that spring up whenever a mass shooting occurs. Here’s some recent scholarship about mass shootings that should help you identify misinformation when you hear it.