A Liberian man carries his sick brother suspected of having Ebola after being delayed admission to a treatment unit due to a lack of beds on the outskirts of Monrovia, Liberia. Photograph: Ahmed Jallanzo/EPA/Ahmed Jallanzo

Before this year, the largest-known outbreak of Ebola comprised 318 cases, in 1976. That was the year the virus first became known to scientists. T(...)

Scottish neighbourhoods that have large numbers of pubs and off-licences have nearly three times the number of alcohol-related deaths and illness, a major study has shown.  Photograph: Yui Mok/PA Wire

Scottish neighbourhoods that have large numbers of pubs and off-licences have nearly three times the number of alcohol-related deaths and illness, a m(...)

Fountains of lava, up to 60 meters high, spurt from a fissure in the ground on the north side of the Bardarbunga volcano in Iceland on September 2nd. Photograph: Reuters

Iceland’s Bardarbunga volcano continues to rumble, threatening to blow its top and throw tonnes of ash into the atmosphere like the Eyjafjallajökull v(...)

Yes and No supporters gather to listen to Jim Murphy, Shadow Secretary of State for International Development at a Better Together event in Edinburgh,Scotland. Photograph:  Getty Images/Jeff J Mitchell

Turnout in the referendum on Scottish independence could reach or exceed 80 per cent which would be well above the average turnout in UK elections and(...)

Researchers re-programmed cells harvested from the embryos of a genetically engineered mouse and grafted them onto the kidney of a genetically similar adult mouse.

Regenerative medicine made an important step forward today with the announcement of the first successful growth of a well-developed functioning organ (...)

Gardaí are continuing to search the site.  Photograph: Bryan O’Brien / THE IRISH TIMES

An expert on the identification of human remains has said the body parts found in a Dublin recycling plant may not provide enough information for gar(...)

A figure of 49,000 Irish dead in the first World War is often cited,  but this figure is erroneous.  Photograph: HP/HO Reuters 3:26

It remains uncertain exactly how many Irish from what is now the Republic fought in both world wars but what is not disputed is that the figure is i(...)

Tian Tian: urine trouble. Photograph: Jeff J Mitchell/Getty Images

Panda cubs are exceptionally cute, but in Edinburgh, increasing the chances of two giant panda parents reproducing is no mean feat. Edinb(...)

Excluding illness, poverty and smoking, researchers found that an increase of just a fifth in the levels of the smallest pollution particles, caused by engine fumes and coal smoke, cause heart attack numbers to jump by 13 per cent. Photograph: Reuters

Long-term exposure to air pollution has been linked to a sharp increase in heart attacks and angina cases, according to research in five European Unio(...)

Variant CJD – originally found among cannibals in Papua New Guinea – is caused by the same prion strain that caused the BSE epidemic in cattle in the mid-1990s in Britain and Ireland. Above, research is carried out into Creutzfeldt-Jakob disease.  Photograph: Raphael Gaillarde/Gamma-Rapho via Getty Images

Blood and organ donations could represent a major source of the deadly Creutzfeldt Jakob brain disease because infected donations from carriers cannot(...)