A study to find out how a form of leprosy is affecting the UK's threatened red squirrels is to be carried out on Dorset's Brownsea Island.

The Solar System's smallest planet will make one of its irregular passes between the Earth and Sun on Monday.

The world's sleeping patterns have been revealed by scientists analysing data collected from an app.

Europe's rover mission to Mars is "drinking in the last chance saloon", warns the European Space Agency's director general, who says the project cannot have an open-ended schedule or budget.

Scientists say they have developed an invisible elastic film that can be applied to the skin to reduce the appearance of wrinkles and eye bags.