Fox News senior national correspondent Aishah Hasnie has the latest on questions over former President Joe Biden's condition ...

Trump foe says Biden’s mental acuity ‘1,000 times better than what we currently have ... I know that he absolutely had a mental acuity that is supreme when it comes to comparing him to Donald ...

Anthony Bernal is the second person Biden staffer to assert their Fifth Amendment right to the GOP-led House Oversight ...

Biden consistently fares worse on the age question than Trump — 63% of voters said they were not very or not at all confident in his mental capability to serve as president, compared with 57% ...

Joe Biden's physician refused to answer questions during a closed-door deposition in House Republicans' probe of his mental acuity as president.

Rep. Jasmine Crockett, D-Texas, defended President Biden's mental acuity, comparing him in a new interview to a "granddaddy" who slowed down but remained mentally sharp.

President Trump’s order late Wednesday for his administration to investigate former president Joe Biden’s mental acuity ignited a fresh round of questions about the limits of presidential ...

New books, including “Original Sin: President Biden’s Decline, Its Cover-Up, and His Disastrous Choice to Run Again,” have reignited debate about Biden’s mental acuity while in office and ...

The doctor’s lawyers cite President Trump as precedent, referencing his own invocation of the Fifth Amendment.

Newsom’s criticism of Trump echoed how the president attacked Biden’s mental and physical ability. Trump repeatedly referred to Biden tripping on March 19, 2021, while climbing the steps of ...