The International Court of Justice has ruled that nations are legally obligated to respond to climate change. The case was brought by a small island nation that faces an existential threat.

When Congress approved a Trump administration plan to take back $9 billion in funds for public media and foreign aid, just one program was spared: the U.S.'s HIV/AIDS initiative, or PEPFAR.

President Volodymyr Zelenskyy says he will heed protesters angry about his new anti-corruption policy. Joanna Kakissis is a foreign correspondent based in Kyiv, Ukraine, where she reports poignant ...

Why are some songbirds so brightly colored? A new study finds that a hidden layer of black and white feathers help their colors pop.