Whether it's your phone, tablet or computer, a hacker with enough gumption and know-how can break in. Your best defense is knowing what to expect and the signs to look for. Here are some surefire ways to know if your system has been hacked, and what you can do to fix or prevent it.

Astronomy has historically been an observational science. That means we're looking to the stars for scientific answers without actual participation. Until now. Scientists recently built a machine that can produce enough energy that allows us to see what the inside of a dying star would look like. And we can do it right here on Earth.

Robots have become a normal part of our society. They help build cars, fly planes, vacuum our floors and so much more. But now they are being used to make food commercials even more appetizing. This technology is truly from the future.

These 12 items are the perfect way to get started on a smart home or build on your existing one. They work with Amazon Echo and Google Home, and the best part is, you can get all of them on Amazon. We’ve got info on lightbulbs, lawn sprinklers, keyless locks and even a clock that does more than just tell time.

Mosquitos are some of the most annoying bugs on the planet. Not only do they leave us with itchy bites but they can also carry and spread deadly diseases. So why did Florida just release more of them into the environment? It turns out these mosquitos are genetically modified to help stop the spread of mosquitoes. If that sounds confusing the science behind it is pretty impressive.

Libraries adopted the Dewey Decimal System years ago as a quicker way to find books scattered throughout numerous shelves. Engineers have developed a similar system for computers to make searching through thousands of files much faster. Binary search has been a game-changer and the way it works is fascinating.

Are you tired of weeding through the videos that seem interesting but end up being a disappointment? Stop wasting hours of your life searching YouTube feeds and follow my channel instead! I'll show the videos you actually want to watch and keep you up to date with the latest technology and news — and, of course, incredibly cute videos!

The Kim Komando Show airs from coast to coast on 400 radio stations and on demand. Use our handy station finder to see how you can listen in your area. Every show is packed with all the latest tech news, digital tips and security info you need to stay safe. Don't miss this weekend's episode!

I like to post quotes to motivate you, shots from behind-the-scenes of my national radio show and, of course, my dog Abby.

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