Naoto Kan, the former Prime Minister, has admitted that his office was "overwhelmed" during the Fukushima nuclear meltdown last year, and he recommended that Japan scrap all its reactors to avoid a repeat.

It is the latest culinary invention to be hailed as the best thing since sliced bread: the non-stick ketchup bottle.

The UN nuclear agency has found traces of uranium at Iran's underground atomic site enriched to higher than previous levels and closer to what is needed for nuclear weapons, diplomats say.

Envoys from Iran and six world powers have resumed talks over Tehran's nuclear programme after issuing rival proposals during the opening day of negotiations in Baghdad.

UK ministers warned that Israeli strike on Iran nuclear facilities could spark Middle East war

Downing Street declined today to discuss the UK's contingency plans in the event of a military confrontation between Israel and Iran, amid reports that ministers have asked law officers to examine whether any British involvement would be legal.

The head of the UN nuclear watchdog held talks in Tehran yesterday after voicing optimism about a deal on Iran's nuclear programme.

The head of the UN nuclear agency flew to Tehran on a delicate mission that - if successful - could finally lift the veil on whether Iran is seeking atomic arms while strengthening the Islamic Republic's negotiating hand in crucial nuclear talks with six world powers later in the week.

Thousands of residents have been asked for their views on a waste facility sited under the wetlands

Government accused of plotting to restart nuclear plants as it warns of power cuts

Iran spurned a previously undisclosed American offer from President George W Bush of talks aimed at reaching a "grand bargain" over long-standing differences between Washington and Tehran, a leading figure in the country's theocratic regime has revealed.

An overhaul of the electricity market set out in the Queen's Speech aims to drive massive investment in low carbon power and bridge the looming energy gap.