Forty years ago, in April 1986, there was an explosion at the Chernobyl Nuclear Power Plant. It was the worst nuclear accident in history. Then the plant was in the USSR, it is part of northern Ukraine now.

The Chernobyl disaster remains the world’s worst nuclear accident, displacing hundreds of thousands and reshaping global safety standards decades later.

Photographer Pierpaolo Mittica has been documenting the passage of time at the disaster site as clean-up crews, tourists, and war, come and go in a landscape still teeming with radiation. "We are just at the beginning of the story of Chernobyl.

Gray wolves now living in the Chernobyl exclusion zone also show a new genetic resistance to cancer, researchers have found.

Residents of the region continue to battle health and environmental issues from the April 26, 1986, disaster as conflict rages around them.

Ideas have been floated for how the contaminated zone could bring economic benefits to Ukraine. But for the foreseeable future, it will be an army-controlled security belt.

Strikes across Ukraine, Russian-occupied territory and Russia have killed at least 16 people. The attacks on Sunday coincided with the 40th anniversary of the Chernobyl disaster, prompting warnings about risks near the plant.

The disaster that struck at the Chernobyl nuclear power plant in Ukraine, and the dogs and their offspring who survived, presented a unique research opportunity for a University of South

Russia’s invasion deepens the saga of Ukraine’s Chernobyl Exclusion Zone. A woman who fled war and ended up there says, “We overcame radiation. We will overcome Russia, too.”

The nuclear incident at Chernobyl spread radiation across Europe and led to political changes that played a role in the collapse of the Soviet Union.