Citing US intel reports, NY Times says Khamenei fears direct confrontation will help president's campaign and believes Natanz attack was intended to provoke a clash

Recent months have seen a mysterious series of blasts and blazes that have occurred throughout the country

Tehran's nuclear chief says work has already begun on facility to replace Natanz, damaged in mysterious July 2 explosion

Atomic organization spokesperson says security services now have full knowledge of what happened at Natanz facility in July

Signatories to the agreement will hold talks as Tehran continues to ramp up nuclear activities

Spokesperson tells state TV that security officials will 'reveal in due time' the cause of the explosion at the nuclear site

IAEA document reportedly says Tehran moving advanced centrifuges to the nuclear facility targeted by mysterious blast last month, in order to set up new cascades

Top official says 'traces of an explosion' found inside building at Natanz nuclear complex, but refuses to divulge cause, citing ongoing investigation

As Tehran faces unprecedented crises -- including COVID-19, the economy and frequent explosions -- it is hamstrung by a battle between reformists and conservatives, expert says

Local news site says IRGC has concluded that Ershad Karimi, a contractor at the facility, is behind explosion; blast has been attributed to Israel