Servicemen of the self-proclaimed Lugansk People's Republic conduct military exercises in the breakaway region of Luhansk, which is controlled by pro-Russian separatists.
Images from within the reclusive Korean People's Army.
Images of the pontiff battling with the wind.
Indigenous people and police clashed in Brazil's capital city as officers fired rubber bullets and tear gas while tribe members shot arrows in return during a protest against farmers' encroachment on reservations.
The structures, fences and walls that mark the border between the United States and Mexico.
Our top photos from the last 24 hours.
A builder of nuclear shelters shows off a model room in Osaka, Japan.
Red carpet style at the Time 100 Gala.
Spectacular views from America's national parks.