The Iranian regime has dismissed President Trump's threats to crush the country economically, saying that years of U.S. sanctions have failed.

Why is the car race in this part of D.C.? Will it be streaming? Who's paying for it? Here's what to know before the Freedom 250 Grand Prix hits the National Mall this weekend.

U.S. officials say the ever-growing population of wild horses that roam federal lands in Colorado is depleting natural resources. But some activists say efforts to remove the horses are inhumane.