21st Century breach prompts 3 federal class-action lawsuits

In the wake of the Brussels terror attacks, leading U.S. Republican presidential candidate Donald Trump fleshed out aspects of his national security strategy that include weighing whether NATO is obsolete.

Thrill-seekers wear virtual reality headsets while zooming through the real-life twists and flips of the New Revolution at Dare Devil Dive at Six Flags Over Georgia. It's the first dedicated VR roller coaster in North America.

At a campaign stop for Hillary Clinton, Former President Bill Clinton referred to the last eight years of administration as an "awful legacy" but never mentioned President Obama's name. Now, Clinton's aid denies the statement was about Obama.

A first look at Lincoln's new Navigator concept at the New York Auto show.

A man climbed an 80-foot sequoia tree in Seattle and has been up there since Tuesday morning. Seattle police and fire have tried to get him down but he refused. His cause for the climb is still unknown.

Regardless of who you're expecting over, there are certain things you should make sure are in order. Jordyn Rolling (@jordynrolling) can explain!

It's National Puppy Day! Take a break and snuggle up with these adorable puppy videos.

A KUSA reporter got stuck in the snow during a springtime blizzard. Watch as he almost disappears in the heavy snow!

Thousands of tourists are flocking to DC's Tidal Basin to get a glimpse the city's famed cherry blossoms. The blooms are just days away from peak bloom. (March 23)

This baseball fan stands 3 feet tall and weighs just 19 pounds. Josiah Viera is a young Cardinals fan diagnosed with the rare aging disease Progeria. But that doesn't stop him from motivating his favorite baseball players during spring training.

Toxoplasma gondii, a parasite once generally considered harmless, has been linked to mental illness, suicide attempts and now aggression.Video provided by Newsy

Take the stress off yourself by following these important, but uncommon, travel tips. Jordyn Rolling (@jordynrolling) has them for you!

90-year-old Norma is seeing places she's never seen, like the Grand Canyon and Mt. Rushmore. She's doing things she's never done, like getting a pedicure and riding in a hot air balloon. She's doing all of this instead of chemo and radiation.

The administrators at this teen's high school made sure a dying father was able to see his daughter graduate in a ceremony put together in only a matter of hours.

Pietro Boselli is quite possibly the hottest math teacher to ever set foot in a school. The mathematician is changing careers and is now the face of Armani. Keleigh Nealon (@keleighnealon) has the story!

An orphaned baby monkey was rescued by the Wildlife Friends Foundation Thailand after poachers killed his mother. Now, he won't let go of the man who saved him. Sean Dowling (@seandowlingtv) has more.

For the first time, the flash of an exploding star's shockwave has been captured in visible light by NASA. Astronomers were able to see a "supernova shockwave" as it reached the surface of a star using the Kepler space telescope.

United Launch Alliance launched an Atlas V rocket from Cape Canaveral that is headed towards the International Space Station.

Robert Lewis has been his high school basketball team's manager for the past three years. On senior night, he was put in the game and hit a game ending 3-pointer that had the crowd going wild.

Five cheetah cubs are getting a helping hand from a nursery dog after being born via C-Section in Ohio. (March 22)

Britney Spears is enjoying a five week break from her Las vegas residency at Planet Hollywood and posted a picture of herself, wearing a tiny yellow bikini. Some are accusing her of using Photoshop. Sean Dowling (@seandowlingtv) has more.

A study looked into the behavior of kids and found that there is a distinct trait that kids who display it will go on to make more money. Watch the video with Patrick Jones (@Patrick_E_Jones) to find out what it is.

While applying for a job at a Popeyes in New Orleans, 18 year old Devin Washington helped to stop a robbery in progress. Sloane Glass (@sloaneglass) reports

In his will, a church usher donated his entire estate to the church he served for years. What the church wasn't expecting was what was inside his home.

Olivia Newton-John's former boyfriend Patrick McDermott reportedly went missing on a fishing trip. He was presumed dead after years of searching.Video provided by Newsy