President Donald Trump’s return to the White House has upended America’s role in the war between Ukraine and Russia. Throughout his presidential campaign and continuing at the start of his ...

replacement of the aortic valve with a mechanical prosthesis (the graft and prosthesis are usually combined as a “composite graft”), and reimplantation of the coronary arteries. In selected cases ...

Kayla Harrison, a two-time Olympic gold medalist in judo and two-time PFL lightweight champion, now has a firm hold on the UFC women's bantamweight belt after she finished Julianna Peña with a ...