Satellite images

Russia, the United States and China have all built new facilities and dug new tunnels at their nuclear test sites in recent years.

Despite global progress in eradicating poverty over the past 20 years, about 1 billion people still lack access to safe

An illegal dirt road ripping through protected areas in the Brazilian Amazon

Russian forces pounded cities and towns in southern and eastern Ukraine.

Russia’s aeroplanes and artillery widened their assault on Ukraine on Friday, striking airfields in the west and a major industrial hub in the east.

Commercial satellite images suggest a resumption of construction activity at North Korea’s nuclear testing ground nearly four years after leader Kim Jong-Un declared the site’s closure.

The attempt comes as Iran’s space program has suffered a series of high-profile losses