Nasa has announced that Boeing and the Space Exploration Technologies Corp. are the winners in the competition to carry Americans astronauts to the International Space Station. Photograph: Reid Wiseman/EPA/NASA

Boeing and the Space Exploration Technologies Corp. are the winners in the competition to carry Americans astronauts to the International Space Statio(...)

A pro-Russian militiant holds a placard reading “ Kolomoisky must die!” during the attack of a branch of Privatbank in the eastern Ukrainian city of Donetsk in April. Photograph:  Alexander Khudoteply/AFP/Getty Images

At a checkpoint on the road from Donetsk to Dnipropetrovsk, a member of Ukraine’s national guard tells men to get out of their car and lift their shir(...)

Friends and relatives reunite with soldiers of the Ukrainian volunteer special police battalion ‘Azov’ after they returned following their turn of deployment in eastern Ukraine, near the St Sophia Cathedral in Kiev. Nato has reportedly started delivering weapons to Kiev’s military as it battles Russian-backed separatists. Photograph: Sergey Dolzhenko/EPA

Deadly shelling has rocked eastern Ukraine’s fragile ceasefire, as Nato states launched exercises in the west of the country and reportedly started(...)

The European Union put into effect today a new round of sanctions against Russia over its role in Ukraine, including restrictions on financing for some Russian state-owned companies. Pictured is Russian president Vladimir Putin. Photograph: Andrey Rudakov/Bloomberg

The European Union put into effect today a new round of sanctions against Russia over its role in Ukraine, including restrictions on financing for som(...)

A Ukrainian soldier heads to a frontline position on the outskirts of the strategic coastal city of Mariupol following an evening of heavy shelling by Russian-backed separatists. (Photograph:  Spencer Platt/Getty Images

Deadly shelling has rattled hopes for a lasting ceasefire in Ukraine, with Kiev and Russian-backed rebels blaming each other for attacks around the m(...)

Soldiers of the Ukrainian self-defence battalion “Azov” rest at a checkpoint in the southern coastal town of Mariupol. Photograph:  Vasily Fedosenko/Reuters

Heavy fighting between Ukrainian government forces and pro-Russian rebels appeared to subside after envoys meeting in Minsk approved a peace deal that(...)

The diplomatic and military game between Russia, Ukraine, Nato and the European Union is becoming more dangerous and risky by the day, but it has not (...)

A Ukrainian priest blesses members of a people’s volunteer corps during a rally in support of single Ukraine in  Mariupol yesterday. Photograph: EPA/Photomig

Moscow-backed separatists in eastern Ukraine have pledged to call a ceasefire today if Kiev agrees to a peace plan proposed by Russian president Vl(...)

US president Barack Obama  joins British prime minister David Cameron during a visit at Mount Pleasant Primary School in Newport, Wales. Photograph: Larry Downing/Reuters

Members of the North Atlantic Treaty Organisation (Nato) must spend more on defence to send “a powerful message” to enemies, US president Barack Obama(...)

German president Joachim Gauck (left) and Polish president Bronisaw Komorowski at the commemoration of the start of the second World War 75 years ago in Gdansk, Poland, on Monday. Photograph: Maurizio Gambarini/EPA

German president Joachim Gauck has been accused of “pouring oil on the fire” in Ukraine by criticising Russia at a ceremony to mark the outbreak of t(...)