Supreme court justice Antonin Scalia making a rare appearance on Capitol Hill to testify before a senate judiciary committee hearin. Photograph: Jim Lo Scalzo/EPA

In almost 30 years on the bench of the US supreme court justice Antonin Scalia was strident, colorful, and most of all, conservative. That made him an(...)

Smoke billows from a coking factory in Hefei, Anhui province in China. In China, burning coal was the biggest contributor to air pollution. This alone was responsible for around 366,000 Chinese deaths in 2013. Photograph: Stringer/Reuters

Air pollution kills more than 5.5 million people each year, new research has shown. Most of the deaths occur in China and India, two of the world’s f(...)

Russia’s foreign minister Sergei Lavrov and US secretary of state John Kerry  in Munich. Photograph: Alexandra Beier/Getty Images

The Munich agreement reached early on Friday by 17 countries belonging to the Syria support group specified that immediate humanitarian access is to b(...)

 Russian foreign minister Sergei Lavrov (left), US secretary of state John Kerry and UN special envoy of the secretary general for Syria Staffan de Mistura hold a press conference after the International Syria Support Group (ISSG) meeting in Munich, Germany. Photograph: Sven Hoppe/EPA

Major powers agreed on Friday to a cessation of hostilities in Syria set to begin in a week and to provide rapid humanitarian access to besieged Syria(...)

   Former Anglo  chief executive David Drumm:  His lawyer asked to keep the matter open  as  Drumm hopes to be biometrically tested as part of his process to secure a US green card. Photograph: Alan Betson

The decision of former Anglo Irish Bank chief executive David Drumm to end his extradition fight came as he began his fifth month in a US prison. It(...)

Brian Veale, a native of Dungarvan in Co Waterford, was charged with the murder of Graham Johnson (41) at Cork Prison, Rathmore Road in Cork city on May 16th last. File photograph: The Irish Times

A 31-year-old man has been returned for trial charged with the murder of a father-of-three who died after being stabbed during a row in the kitchen o(...)

A Laser Interferometer Gravitational-wave Observatory (LIGO) technician performs an optic inspection on devices used to detect gravitational waves. The twin LIGO detectors are located at Livingston, Louisiana, and Hanford, Washington, in the US. Photograph: Caltech/MIT/LIGO/Reuters

Scientists have for the first time detected gravitational waves passing over the Earth. The waves were caused by the collision of two massive black (...)

A small statue of Albert Einstein is seen at the Einstein Archives of the Hebrew University as they present the original 100 years old documents of Einstein’s prediction of the existence of gravitational waves. Photograph: Abir Sultan/EPA

Scientists have for the first time detected gravitational waves, ripples in space and time hypothesised by physicist Albert Einstein a century ago. (...)

Democratic U.S. presidential candidate Bernie Sanders smiles as he waves to the crowd at his 2016 New Hampshire presidential primary victory rally in Concord, New Hampshire February 9, 2016. REUTERS/Shannon Stapleton

It is a measure of the radical mood of America that virtually every presidential candidate who has so far come to the fore present themselves as an op(...)

Artist’s  illustration of  a quasar. Such phenomena are thought to feed  gravitational waves which  form around massive objects like black holes and neutron stars, warping space and time. File photograph:  AFP/Nasa/Getty Images

An international team of scientists looks set to make waves on Thursday by announcing the first direct detection of gravitational waves rolling across(...)