House Oversight Chairman James Comer is requesting former President Joe Biden's White House physician, Kevin O'Connor, appear for a transcribed interview as part of an investigation into Biden's mental fitness and use of a presidential autopen while in office.

With new books raising alarm over Biden’s health, Comer emphasizes the need for transparency on the former president's mental decline and critical decision-making during his term.

The news of Joe Biden's prostate cancer diagnosis has raised questions about why the disease wasn't detected earlier.

A fight against cancer and a struggle to amass an inheritance for his family are setting up a somber final chapter.

Joe Biden ended a half-century career in public ... The former commander-in-chief, who left the White House and headed straight to California for vacation, has stayed low-key for months.

The Biden administration is taking more heat after a turbulent week filled with questions about the former president's cognitive abilities.

Peter Baker, the concerns over the Trump Hotel in the first term seem almost quaint with where we are now. It's a couple of days after the brouhaha over the Qatari jet. Now we have this and that package laid out so well,

House Oversight Committee Chair James Comer said Thursday on “Jesse Watters Primetime” that four former Biden staffers as well as former White House physician Kevin O’Connor have been called in for questioning,