In a rare moment of regret on ABC's Shark Tank, Kevin O'Leary watched a potential goldmine slip through his fingers.

In a memorable 2015 episode of ABC's Shark Tank, Kevin O'Leary delivered one of his most controversial rejections.

One of the most dramatic scenes on ABC's Shark Tank occurred when Robert Herjavec, Mark Cuban, and Kevin O'Leary left the set ...

In a fiery Instagram post, Shark Tank's Kevin O'Leary didn't mince words about China's latest AI venture, Deepseek.

Kevin O’Leary has a harsh warning for cell phone users, in light of the massive tech stock selloff earlier this ...

The Artificial Intelligence wars have begun. China fired the first shot. So, is now a time to panic? The American people have ...

Shark Tank investor Kevin O'Leary is known for staying at the top of industrial and market trends and he is doing the same ...

"Shark Tank" star Kevin O'Leary explains President Donald Trump's "tariff signal" to world economic leaders on "The Story." ...

Shark Tank's Kevin O'Leary promotes the idea of living in the present moment as a key aspect of his philosophy on achieving a ...

The plucky college-aged founders of Kanga Coolers gave a very compelling pitch on Shark Tank, but did they find success ...

Shark Tank star Kevin O'Leary has added another trophy to his already impressive watch collection. The businessman recently ...

Shark Tank investor Kevin O'Leary shared a flashback from the show where a polishing product was pitched to the sharks.