Four out of 5 Americans over age 6 have measurable levels of glyphosate in their urine. Is this cause for concern as the U.S.

A 2000 paper on the safety of glyphosate, the chemical in the weed killer Roundup, has been retracted. It turns out it was ghostwritten by employees of Monsanto, the company that makes Roundup, and ...

Add Yahoo as a preferred source to see more of our stories on Google. Containers of Roundup are displayed for sale on a store shelf in San Francisco. (Haven Daley / Associated Press) The Supreme Court ...

Florida has scheduled its first trial over claims against the weed killer Roundup by a man in the Fort Lauderdale area who says long-term exposure led to a cancer diagnosis. Broward Circuit Chief ...