BUSHEHR - Iran’s first nuclear power plant was opened Saturday by Iranian and Russian nuclear officials in the southern port city of Bushehr after a delay of almost three decades.

VIENNA — Seeking to evade new U.N. sanctions, Iran on Monday formally submitted its plan to swap some of its enriched uranium for reactor fuel and said the onus was on world powers to defuse tensions by accepting the deal.

THE INFLUENCE GAME: BP spends big in Washington, but will that help in Gulf oil spill crisis?

BP spends big in Washington, but will that help it survive during Gulf oil spill crisis?

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Iran’s President Ahmadinejad in Africa to build ties with new partners, evade UN sanctions

Iran’s Ahmadinejad seeks new partners in Africa

Iran’s President Ahmadinejad says war games in the Persian Gulf are routine

Britain’s Brown hosts Germany’s Merkel, both agree on need for new sanctions against Iran

Report: Missing Iranian nuclear scientist has defected to US and is helping CIA

US ambassador urges disputes with China be separated from cooperation on international issues

British Foreign Secretary David Miliband visits China following months of rancor in ties

Prospect emerges of nuclear-powered Middle East as Israel and Syria seek atomic energy

Israel, Syria pursue nuclear-powered Mideast

Rivals Israel, Syria want to develop civilian nuclear energy, raising prospect of inspections

Israel, Syria announce nuclear energy ambitions

Poor countries need nuclear energy too, France says, but not nuclear cheaters

Nuclear energy gets new French-driven boost

Sarkozy urges nuclear energy for developing countries, stands firm against nuclear cheaters

Sarkozy urges global expansion of nuclear energy

AP Enterprise: How restricted nuclear equipment ended up where it wasn’t supposed to _ Iran

AP Enterprise: How nuclear equipment reached Iran

Iran launches research rocket with mouse, turtle and worms into space; unveils 3 satellites

Iran sends rocket with animal menagerie into space

Iran says it has successfully launched new research rocket into space

Iran launches new research rocket into space

Iran unveils domestically-built light booster rocket to launch satellites

Iran unveils satellite booster rocket

TEHRAN, Iran — Iranian President Mahmoud Ahmadinejad has unveiled a domestically-built satellite booster rocket, part of an ambitious space program that has worried Western powers because they fear the same technology used to launch satellites could also deliver warheads.

Iranian mourners, opposition supporters bury physics professor killed in bombing

Iranian mourners, opposition bury slain physicist

Bomb kills Iranian nuclear physicist who backed opposition leader Mousavi in presidential run

Bomb kills Iran nuclear physicist tied to Mousavi

Iranian nuclear physicist killed in bomb attack outside his home in Tehran

Iranian nuclear physicist killed in bombing

Prosecutor says Iran still investigating 3 detained Americans, points to US-held Iranians

Prosecutor: Iran still investigating 3 Americans

A breakdown of Iran’s missile arsenal

A breakdown of Iran’s missile arsenal

A breakdown of Iran’s missile arsenal:

Iran’s first nuclear power plant opens

Iran says its nuclear scientist brought back ‘valuable’ information on the CIA

Report: CIA paid Iranian scientist $5 million to provide information on Iran’s nuclear program

Iranian nuclear scientist back home from US amid spy claims

Iran says missing nuclear scientist has taken refuge in Pakistani embassy in Washington

APNewsBreak: Diplomats say Iran removed equipment used in possible nuclear program

Tehran hands over enriched fuel swap offer to the UN nuclear agency