The Marine Institute wants to upgrade a renewable energy test site in Galway Bay. Poor communication and project splitting have left residents concerned

Irish expert opinion called for after the discovery of ‘Casper’, a strange kind of octopus filmed at a record ocean depth

US agency says rate of temperature increases are ‘astronomical’, ‘staggering’ and ‘strange’

Earth’s average temperature has risen by about 1 degree since late 19th century

There is a growing movement to map the oceans, so why is space getting all the publicity?

Wild salmon and shellfish among species most vulnerable to falling pH levels of seas

Survey will focus on area where first trans-Atlantic cable laid in 1857

Campaign groups call for roasting temperatures to spur efforts to fight climate change

Moves afoot across Europe to adopt convention to avoid mixing weather systems up

The US National Oceanic and Atmospheric Administration’s climate forecast for the end of September is a very strange tangle of frayed and tentative red lines