U.S. Sen. Ed Markey of Massachusetts has secured the Democratic nomination in his bid for a third term in office

Oil giant Chevron is expected to soon announce it will expand operations in Venezuela, a U.S. official said

In a strategic retreat, the United Nations concedes that Earth has lost its chance to prevent some of the worst impacts of global warming

Nurse Razia Noreen had just checked on 15 newborns at the hospital in Pakistan's capital and was preparing injections when she saw flames through a window

The murder case against the Utah man accused of assassinating conservative activist Charlie Kirk is headed for trial

The story of the U.S. is intertwined with its military history, from its creation in 1776 to the expansion of its physical borders to its role in the global political and economic order

Shabana Basij-Rasikh leads the School of Leadership of Afghanistan that's now based in Rwanda

The U.S. military has hit targets in Iran, and Tehran has fired missiles and drones in response

Rescue teams are continuing to search for thousands of people still missing after last week's catastrophic flooding in Nepal and China, as the death toll exceeded 1,000