The Environmental Protection Agency says that the country's most widely used weedkiller, glyphosate, does not cause cancer.
Together, Bayer and Monsanto will create the largest crop supply company in the world.
Genetically modified crops replaced insecticides, and, at first, some herbicides. But herbicide use has rebounded.
Despite a "sweetened" deal totaling $64 billion, the agrochemical giant rejected the new "incomplete and financially inadequate" Bayer offer.
The European Commission voted to extend the sale of the product until the European Chemical Agency provides a new ruling in 2017.
An EU proposal to extend the sale of the chemical in Monsanto's Roundup has failed to garner enough support in the EU.
The EPA says it was not ready to post a report that appeared on its website last week declaring weedkiller glyphosate unlikely to cause cancer in humans.
The European Union is drawing battle lines over whether to renew a license for glyphosate, an herbicide the World Health Organization says is linked to cancer.
Imagine your fancy multi-vitamin goes generic. Then the local university adds in extra vitamins that are particularly important for people living in your area.
In the past few years, Monsanto has purchased weather analysis companies and big data firms. The company now wants to buy the Swiss chemical company, Syngenta.
Farmers fighting herbicide-resistant weeds will likely look to spray more chemicals. Researchers are trying to determine which herbicides could cause cancer.
New research shows for the first time that bacteria exposed to small amounts of household herbicides can become resistant to antibiotics.
Here are five things you should know about the World Health Organization saying Roundup could cause cancer.
Farmers who switch from Roundup to Enlist will be nearly doubling the amount of chemicals they pour on their land.
The USDA grants unrestricted use of GMO sugar beets, and California voters consider GMO labeling requirements.