New images of the Red Planet's diverse landscapes

A man who turned his Leicestershire flat into the Starship Enterprise says the thought of an impending sale and moving into a conventional house gives him "nightmares".

Communities could be encouraged to make their own assessments of the direct benefits they get from nature.

It may be possible to detect autism at a much earlier age than previously thought, say researchers.

At least eight sea lions have been shot dead in the US state of Washington in the past few weeks, wildlife officials say.