Donald J. Trump and his allies have begun investigations to support their claims that Joseph R. Biden Jr. was incapacitated ...

Progressive Rep. Crockett appeared at House investigators' interview with Ashley Williams, expressing no concerns about Biden ...

Rep. Jasmine Crockett, D-Texas, contended that former President Joe Biden's "supreme" mental acuity is "a thousand times better" than President Trump's on Katie Couric's "Next Question" podcast on ...

Former President Biden's reliance on teleprompters at small fundraisers angered donors who paid thousands for personal ...

Accusations have percolated for months on social media and right-wing websites, as well as among Trump’s allies in Congress. Trump has said he has no proof of his claims.

This is unprecedented, and I think that this adds more fuel to the fire that there was a cover-up,” House Oversight chairman ...

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

MAGA loyalists and congressional Republicans are lashing out at Joe Biden’s former physician.

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

Former President Joe Biden's White House physician declined to answer questions before a House Committee as the GOP-led panel ...

Acclaimed psychologist and former Johns Hopkins professor Dr. John Gartner made some of the most disturbing claims during a ...