Watch the U.S. ambassador to Russia talk about the recent allied strike in Syria — a response to a chemical weapons attack that killed more than 40 people.
April 25 is World Malaria Day. Learn how the U.S. President's Malaria Initiative is helping to protect communities against the deadly disease.
The U.S. and allies are weighing their response to a chemical attack in the town of Douma, Syria, that they believe was perpetrated by the Assad regime.
The world relies on skilled international inspectors with sophisticated equipment to determine whether countries are fulfilling their obligations not to build nuclear or chemical weapons.
Four U.S. research centers are developing technologies that can turn certain plants — such as switchgrass, poplar or sorghum — into biofuels.
A 16-year moratorium on commercial fishing in the central Arctic Ocean is one tool to protect the Arctic and its resources.
Vice President Pence attends the April 13–14 Summit of the Americas in Peru. He will promote democracy, fair trade and secure borders in the hemisphere.
Marine animals around the world are threatened by plastic trash overwhelming our oceans. Download this free Earth Day poster and spread the word!
Americans honor the victims of Nazism during Holocaust Remembrance Day in April through events in schools, workplaces, military bases, religious organizations and civic centers.