The war is threatening the region’s access to much-needed supplies, but certain countries are more vulnerable than others to food shortages and unrest.

The arrival of tens of thousands of Haitian migrants at the U.S.-Mexico border has generated domestic criticism from all sides that the Biden administration has poorly handled a cascading humanitaria…

The federal agency tasked with weather forecasting and research has played a growing role in climate policy, but also faced controversy during the Trump administration. What does NOAA do?

Vaccines are a major public health success story, but the COVID-19 pandemic underscores the many challenges involved in getting a vaccine to everyone who needs it.

The Delta variant is driving new COVID-19 surges, even as countries around the world make gradual progress in vaccinating their populations. Five graphics show how the strain is taking over and who’s…