Fredrik Dahl

VIENNA (Reuters) - Iran has begun installing advanced centrifuges at its main uranium enrichment plant, the U.N. nuclear watchdog said on Thursday, a defiant step that will worry Western powers...

VIENNA (Reuters) - U.N. inspectors returned on Thursday from talks in Tehran with no deal on reviving a nuclear investigation and no date for a new meeting, failing to produce...

VIENNA (Reuters) - U.N. inspectors returned on Thursday from talks in Tehran with no deal on reviving a nuclear investigation and no date for a new meeting, failing to produce...

VIENNA (Reuters) - Iran has announced plans to install and operate advanced uranium enrichment machines, in what would be a technological leap allowing it to significantly speed up activity the...

VIENNA (Reuters) - Iran has announced plans to install and operate advanced uranium enrichment machines, in what would be a technological leap allowing it to significantly speed up activity the...

VIENNA/ZURICH (Reuters) - The U.N. nuclear watchdog signaled on Friday it would keep trying to secure Iran's cooperation with a long-stalled investigation, but a senior Iranian lawmaker suggested Tehran would...

VIENNA/ZURICH (Reuters) - The U.N. nuclear watchdog signaled on Friday it would keep trying to secure Iran's cooperation with a long-stalled investigation, but a senior Iranian lawmaker suggested Tehran would...

VIENNA (Reuters) - U.N. inspectors and Iran failed again in talks this week to revive an investigation into suspected nuclear arms research by Tehran, a setback for diplomatic efforts to...

VIENNA (Reuters) - The United Nations nuclear agency expects to reach a deal with Iran next month enabling it to investigate whether the Islamic state has carried out atomic bomb...