The Tonga volcanic eruption unleashed explosive forces that dwarfed the power of the Hiroshima atomic bomb, NASA scientists have said, as survivors on Monday described how the devastating Pacific blast "messed up our brains". The NASA Earth Observatory said the Hunga Tonga-Hunga Ha'apai...

NEW YORK (AP) — The crisis in Ukraine is hardly going away — a showdown of two world views that could upend Europe. It carries echoes of the Cold War and resurrects an idea left over from the 1945 Yalta Conference: that the West should respect a Russian sphere of influence in Central and...

Clashes between U.S.-backed Syrian Kurdish fighters and militants continued for a fourth day Sunday near a prison in northeastern Syria that houses thousands of members of the Islamic State group, the Kurdish force said. The standoff follows a bold assault by the extremists that breached the...

SRINAGAR, India (AP) — For five years, Sajad Gul wrote about conflict wracking his homeland, a disputed Himalayan territory where a violent armed rebellion and India's brutal counterinsurgency have raged for over three decades. That changed on a snowy Wednesday night in January with a...