New intelligence suggests ISIS may be three times the size of initial reports of 10,000. The news comes as congressional leaders begin to debate President Barack Obama's plan to target the jihadist army.
In the war zone of eastern Ukraine, life has come to a standstill. Everything has stopped working: hospitals, schools, factories, mines and shops.
Australia may elevate its terrorism threat to the second highest level in a matter of days.
The Ebola outbreak is continuing to spread throughout West Africa. Liberian leaders say the epidemic now threatens the very existence of their country.
After practicing medicine for nearly 30 years, Washington forced Sen. Rand Paul to give up his ophthalmology practice. Now he's found a way to return to that calling.
As President Obama prepares to outline his Islamic State strategy, intelligence officials say they've figured out the identity of the British ISIS terrorist who beheaded two American journalists.
The White House has not ruled out air strikes against ISIS in Syria, and the U.K. has signalled interested in joining a nearly month-long U.S. airstrike campaign in Iraq.
More than 60 heads of state representing 21 member nations are gathered in Newport, Wales, for the NATO summit.
Three Indian states with high Muslim populations are on alert after al Qaeda leader Ayman al-Zawahiri vowed to bring Islamic law to all of India in a new video this week.
Pope Francis is pledging his support for persecuted Christians in Iraq, saying they are the "heart" of the church and the world's Catholics are proud of them.