Scientists just found the ‘fingerprint' of an undeclared nuclear explosion in Russia

Radiation found by a group of scientists known as the "Ring of Five" has been shown to...

Russia has hidden the details of a handful of nuclear accidents since the 1950s — here's what we know about them

In addition to Chernobyl, Russia has tried to hide the details of other nuclear...

Chernobyl's 'sarcophagus' is getting dismantled because it's teetering on collapse. Photos reveal the structure's rise and fall.

More than 33 years after the Chernobyl disaster, workers have to dismantle the protective...

It looks like Russia is trying to hide the truth about a nuclear accident in Nyonoksa that may be linked to a new ‘super weapon’ it is trying to develop

Evidence is mounting that Russia may be covering up a tragic nuclear accident after a...