European Commission President Jean-Claude Juncker gives a statement  on the situation in Greece, at the EU commission headquarters in Brussels. Photograph: Reuters/Yves Herman

Jean-Claude Juncker took to the podium in the packed European Commission press room yesterday, but his focus was not the swarms of journalists that(...)

The unmanned SpaceX Falcon 9 rocket explodes after liftoff from Cape Canaveral, Florida. Photograph: Mike Brown/Reuters

A rocket which exploded shortly after takeoff on Sunday in Florida was the third loss of a cargo ship headed to the International Space Station in the(...)

The passage of asteroid 2012 DA14 through the Earth-moon system, photographed by the US space agency NASA. Photograph: Reuters/NASA/JPL

Tuesday is the first annual Asteroid Day, an attempt by a coalition of scientists and celebrities to raise public awareness of the risks posed by s(...)

Iranian foreign minister Mohammad Javad Zarif (right) meets with US Secretary of State John Kerry (left) at a hotel in Vienna. Photograph: Carlos Barria/AFP/Getty Images

Senior US and Iranian officials said hard work was still needed as they met in Vienna on Saturday for what could be their final negotiations to bridge(...)

Bosnia Muslims pray near coffins at the memorial centre in Potocari during a mass burial near Srebrenica three years ago. Photograph: Dado Ruvic/Reuters

The green valleys of Bosnia lie quiet now. War ended 20 years ago, many residents who fled the slaughter never returned out of fear or lack of work, a(...)

Greek prime minister Alexis Tsipras. As Syriza points out, Greece – just one border away from Islamic State-held territory – looks like a beacon of stability in a difficult neighbourhood. Photograph: Reuters

In February, when Greece’s new Syriza-led government reassured its lenders by agreeing to talks on its funding arrangements, the Italian economy minis(...)

Russian president Vladimir Putin. Photograph: Sergei Karpukhin/AFP/Getty Images

US President Barack Obama spoke with President Vladimir Putin of Russia on Thursday in their first direct contact in four months as the United States (...)

A protester waves a Greek national flag during a pro European Union demonstration in Athens, as Greece approaches deadline on €1.6 billion debt. Photograph: Kostas Tsironis/Bloomberg

For historians, the standoff between Greece and its creditors is a case of deja vu all over again. A Greek default on loan repayments of €1.6 billion (...)

Armenian demonstrators dance on a street during a protest against an increase of electricity prices in Yerevan. Photograph: Karen Minasyan/AFP/Getty Images

Thousands of demonstrators in Yerevan, the capital of Armenia, faced down riot police yesterday as popular protests against a steep rise in electrici(...)

Dzhokhar Tsarnaev (21) was found guilty of killing three people and injuring 264 in the April 15th, 2013, bombing on the Boston Marathon, as well as fatally shooting a police officer three days later. Photograph: EPA/FBI

Boston Marathon bomber Dzhokhar Tsarnaev apologised at a Wednesday hearing to formally sentence him to death for the 2013 attack. “I am sorry for the (...)