Melting ice water from massive glaciers can ultimately lead to droughts and flooding in East Africa and Indonesia, research shows.

The pathogen that led to the Irish potato famine in the 1840s continues to cause late-blight disease on potato and tomato plants worldwide.

The onset of the rainy season can affect food insecurity in sub-Saharan Africa as much as the amount of rain farmers receive overall, a new study shows.

COVID-19, plus civil conflicts, hotter and drier weather in many areas, and a locust invasion in Africa and the Middle East, could submit tens of millions of people to famine.

What would happen if the US and Russia went to war with nuclear weapons? Well, first, the world would get very, very cold. And that's just the beginning.