It’s often said that you can expect to bump into an Irish person all over the world, but meeting an old school-mate in Antarctica possibly takes the biscuit.

USA: Some South Carolina high school students have started an online petition to bring back a teacher who resigned after a student spread a nude picture of her through text messages and social media.

A record-breaking string of hot years since 2000 is a sign of man-made global warming, says a new study, and there is a decreasing chance it was caused by random, natural swings.

Did our ancestors exterminate their Neanderthal cousins and, if they did, were they acting alone? 

Driven by exceptionally warm ocean waters, Earth smashed a record for heat in May and is likely to keep on breaking high temperature marks, US experts say.

The huge West Antarctic ice sheet is undergoing a glacially slow but unstoppable collapse, new studies show, and scientists say that means a bigger rise in sea level than previously thought.

DNA left at a crime scene could in future be used to build up a picture of an offender’s face, scientists believe.

Tiny artificial “nanomotors” have been placed inside live human cells for the first time and remotely controlled by scientists.

Starvation, poverty, flooding, heatwaves, droughts, war and disease are likely to worsen as the world warms from man-made climate change, a leaked draft of an international scientific report forecasts.

Apple goes to trial today over allegations by US federal and state authorities that it conspired with publishers to raise the price of e-books.

For a person who engages in terrorist activity like that in Boston, the immediate victims are meaningless. They’re simply a means to an end, writes Stephanie Pappas

As the end of the Adams and McGuinness leadership of Sinn Féin looms on the horizon Gerard Howlin reviews a book that wonders if violent dissidents might succeed them

Al Pacino is set to play late American football coach Joe Paterno in an upcoming biopic.

US-based scientists have claimed an alien invasion could be on its way if people do not cut carbon emissions.

CHOCOLATE may soon be about to get even more irresistible thanks to new research.

Climate-change critics complain they have been kept out of the international debate by mainstream scientists who dismiss them as oil industry lobbyists or lunatics.

Military judges have dismissed charges against a Guantanamo detainee who chauffeured Osama bin Laden and another who allegedly killed a US soldier in Afghanistan.

FURTHER doubt has been cast on claims that skeletal remains found on an Indonesian island were those of “hobbits”, a new species of mini-human.

December’s great Sumatra-Andaman earthquake – the most powerful in more than 40 years and the trigger of a devastating tsunami – shook the ground everywhere on Earth’s surface, scientists have found.

TOMBSTONES fitted with video screens could soon be relaying messages from beyond the grave.

Cloud-like white trails left by aircraft may be playing a significant role in global warming, a scientist said today.

FLUSHING the toilet could one day help to power the lights in your home.

WOMEN may live longer than men because they are better sleepers, scientists have claimed.

WOMEN may live longer than men because they are better sleepers, scientists have claimed.