Anatoly Karpov and Viswanathan Anand, two former world champions, took on dozens of children and teenagers in simultaneous chess games...

After resolving a brief crisis over the status of its capital, Israel is ready to finally get things underway this...

Iran has the technical capability to enrich uranium to a higher level than it could before a multinational nuclear deal...

Zarif called Israel's accusations regarding Tehran's nuclear program "old allegations" that had already been resolved in the past by the U.N. nuclear watchdog, the International Atomic Energy Agency.

On Monday, hours after Prime Minister Benjamin Netanyahu revealed Iran's clandestine efforts to safeguard and obscure its nuclear capabilities, the...