Temperatures are expected to fall dramatically this evening leading to rain in some areas turning to sleet and possibly snow

Modest expectations marked the start of UN climate talks Monday, as negotiators and experts all warned that the two-week session would only lay the groundwork for a potentially ambitious global-warming pact by the end of the decade.

Or not "speak" exactly - we'll leave that to the talking dog on YouTube - but certainly to understand a wider range of words.

It is every explorer’s wish to discover unmapped territory – but few expect to undiscover territory that is already mapped. That is what happened to a team of Australian scientists who found themselves sailing through what appeared on charts as a large island during a research trip in the South Pacific.

Spending six months in the womb is evidently a tedious business - so it perhaps comes as no surprise that scientists have discovered that foetuses yawn.

Avian pox, which has spread among woodpigeons and house sparrows for a number of years, is now taking its toll of populations of the great tit

The flu vaccine given to millions of people each year in Britain is “over-promoted” and “over-hyped” and the protection it offers against the seasonal illness has been exaggerated, scientists claim.

The deadly Chalara fungus threatens ash trees, but the dead wood will provide a cornucopia of invertebrates for birds to feed on

Dogs that had lost the use of their back legs as a result of spinal injuries were able to walk again after a revolutionary transplant operation, offering new hope to paralysed patients, scientists said.

Dogs that had lost the use of their back legs as a result of spinal injuries were able to walk again after a revolutionary transplant operation, offering new hope to paralysed patients, scientists said.

Dogs that had lost the use of their back legs as a result of spinal injuries were able to walk again after a revolutionary transplant operation that might also benefit paralysed patients, scientists said.

The first official register of what lives in the oceans has revealed that the marine environment may be home to as many as a million species of animals and plants, but only about a quarter of them have actually been formally described.

A planet without a sun has been discovered by astronomers who say it is the first confirmation of a free-floating planet that does not orbit a star.