Potent, climate-warming gases are being emitted into the atmosphere but are not being recorded in official inventories, a BBC investigation has found.

A new type of snake has been discovered in the UK, bringing the total number of species to four.

The number of blind people across the world is set to triple within the next four decades, researchers suggest.

More than a million children in Yemen are at high risk of dying from cholera, says Save the Children.

A nine-year-old infected with HIV at birth has spent most of their life without needing any treatment, say doctors in South Africa.

Rising rates of life expectancy are grinding to a halt in England after more than 100 years of continuous progress, says a leading health expert.

The tobacco industry is hampering efforts to introduce life-saving interventions in low and middle-income countries, according to a report by the World Health Organization.

US scientists have calculated the total amount of plastic ever made and put the number at 8.3 billion tonnes.

In an indoor "Manchester-drizzle-simulating" rain room at the University of Leeds, and in a laundry lab in Plymouth, research is revealing the unexpected environmental cost of the very clothes on o