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

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% ...

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 ...

FOX News correspondent Aishah Hasnie reports on former Biden chief of staff Ron Klain's testimony in a closed-door House ...

There is now a pattern of key Biden confidants seeking to shield themselves from criminal liability for this potential ...

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 ...

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.

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

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 ...