Saltwater is moving up the Mississippi River and contaminating drinking water. Here's what to know

US government and 17 states sue Amazon in landmark monopoly case

Factbox-Biden vs. Trump in Michigan: Views on unions, the UAW auto strike

Donald Trump once backed 2012 privatization plans for Medicare, despite attacks on key 2024 rival for the same position

Joe Biden to join UAW workers on picket line in a US first

Second Republican debate: When is it and what to expect

Trump's bizarre whale rant is a bit much, even for him

Factbox-Amazon.com faces an array of US consumer, state antitrust lawsuits

Democrats plan to track and corner Republican 2024 candidates on Trump

SAS says bids in equity solicitation process being evaluated

Humans of New York's Brandon Stanton wades into India copyright row

This week's debate is a critical chance for Trump's rivals to make him pay for ignoring them