Beaked whales are disturbed by military sonar, according to real-time data collected by scientists.

A breach of the containment around one of the Fukushima reactors, or a fire at a fuel containment pool, may be responsible for elevated radiation.

Volunteers play a vital role in ensuring that a range of valuable long-term datasets continue to survive, a team of scientists will say.

Lawyers representing Guatemalans deliberately infected with syphilis sue the US government for compensation.

A robotic sub revisits a shipping container lost off the coast of California in 2004, finding it teeming with underwater life.

Germany temporarily shuts down seven of its nuclear power plants while it reconsiders its nuclear strategy.

Tsunamis on the scale that hit north-east Japan last week may strike the region about once every 1,000 years, a leading seismologist has said.

Energy Secretary Chris Huhne warns people not to "rush to judgement" about the safety of nuclear power in the UK after the Cabinet discusses the future of UK policy.