While House Republicans and Trump appear to be aligned in their desire to investigate Biden’s fitness to serve, there is some frustration brewing among congressional committees about how quickly the Trump administration is responding to some of their requests, according to multiple GOP congressional sources familiar with the matter.

Sen. Ron Johnson is launching an investigation into former President Biden's health, he told Axios. Why it matters: The news of Biden's cancer diagnosis as well as new revelations about the White House's efforts to hide the former president's deteriorating health has reignited attacks from the GOP about Biden's fitness to carry out the duties of commander in chief.

Top Democrats are taking heat for supporting former President Joe Biden's re-election campaign despite frequent visits that should have made them aware of his cognitive decline.

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

The former US president’s office said his "last known" prostate cancer screening was in 2014 amid speculation that he had been hiding his diagnosis. View on euronews

President Donald Trump trusts White House doctors despite Biden's prostate cancer diagnosis. White House press secretary Karoline Leavitt assured reporters that Trump's health is excellent.

Former President Joe Biden bombed a closed-door, scripted town hall so badly the footage was unusable for campaign purposes, a new book alleges. Axios’ Alex Thompson and CNN’s Jake Tapper released “Original Sin” Tuesday,