For decades, scientists knew that single-celled protozoa living in the stomachs of cattle were somehow involved in producing methane, one of the most potent greenhouse gases warming the planet. What ...

A group of veterinarians in Visakhapatnam, India, made a disturbing discovery when they performed surgery on a 6-year-old cow. What they pulled out of the animal's stomach is a harsh reminder of how ...

When Leluo Guan peers inside a cow’s stomach, she sees more than microbes – she sees an opportunity to cut methane emissions from cattle and improve profits for beef and dairy farmers. Cattle are ...

At first glance, cow digestion seems unremarkable: a bit of grass, chewing cud–done. But behind this seemingly simple process lies a highly complex system full of surprises. What happens inside a cow ...