Fire in Chernobyl zone, Kiev says radiation levels safe

Ukrainian authorities on Tuesday said a bushfire had broken out in the exclusion zone around Chernobyl, scene of the world's worst nuclear accident in 1986, but radiation levels remained within safe limits.

April 26, 1:23 am: the minute Chernobyl shook the world

It was the early hours of April 26, 1986 and operators at the Chernobyl nuclear power station in the Soviet republic of Ukraine were to carry out an electrical power test at reactor number four.

The art of amplification: A desktop-size 10 terawatt laser

A compact new generation optical amplifier has been constructed by physicists from the Laser Centre of the Institute of Physical Chemistry of the Polish Academy of Sciences and the Faculty of Physics of the Warsaw University. ...

Nuclear plants in Arabian Sea face tsunami risk

A major tsunami in the northern Arabian Sea could severely impact the coastlines of India and Pakistan, which are studded with sensitive installations including several nuclear plants, says the author of a new study.

Canadian nuclear plant 'leaked radioactive water'

Thousands of liters of radioactive water have been released into Lake Ontario as a result of an accident at a Canadian nuclear power plant, according to authorities.

Greenhouse gas emissions hitting record highs

(AP) -- Despite 20 years of effort, greenhouse gas emissions are going up instead of down, hitting record highs as climate negotiators gather to debate a new global warming accord.

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