Former Houston Texans player J.J. Watt will appear as a guest shark on ABC's Shark Tank this fall, joining the investor panel for the show's 18th season.

The entrepreneurs behind the app RoloDoc pitched their idea on "Shark Tank," but the presentation did not go as planned.

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A new study out of the University of Cincinnati, Georgia Tech, and the University of Michigan asked a strange question: Does your voice sound more persuasive if it sounds like the

SkinnyShirt appeared on "Shark Tank" over a decade ago, but where is the fashion company now? Let's break down its pitch and how it fared afterward.

Shark Tank investor Kevin O'Leary says aspiring entrepreneurs shouldn't try to compete with tech giants by building the next ChatGPT. Instead, in a video released earlier this year, he