The Supreme Court said on Friday that it would hear a case that asks whether federal law shields a pesticide manufacturer from lawsuits claiming that the weedkiller Roundup causes cancer.

The Supreme Court agreed Friday to hear an appeal from global agrochemical manufacturer Bayer to block thousands of state lawsuits alleging it failed to warn people that its popular weedkiller could c...

According to its court brief, Monsanto, which is owned by Bayer, faces 100,000 similar suits.