Oxfordshire-based Reaction Engines are developing a new aerospace engine class that combines both jet and rocket technologies. They call it the greatest advance in propulsion since the jet engine.
Ten facts about HIV/AIDS ahead of World AIDS Day.
EU leaders and Davutoglu finalized an agreement hammered out by diplomats over the past month, as Europeans struggle to limit the strain from taking in hundreds of thousands of Syrian refugees.
While Erdogan's behavior after the downing of the Russian jet echoes Netanyahu's response to the Gaza Flotilla incident, Moscow and Ankara can't afford to break off economic and military cooperation.
McCain and Graham criticized Obama's aerial campaign against ISIS, saying forces on the ground are the only way to 'destroy the caliphate.'
The conference comes amid a state of emergency imposed after the Paris attacks, giving riot police the green light to fire tear gas at several hundred protesters.
For thousands of infants in refugee camps, not having a nationality will prevent them from finding legal work, traveling and going to school when they grow up.
The incident was 'an error' and marks the only failure so far in military coordination between the two countries over Syria, Moshe Ya'alon said.
Relations between Ankara and Moscow have sharply deteriorated since Turkey shot down a Russian jet.
Sanctions include limits on imports, suspension on visa-free travel, and ban on hiring Turkish nationals by Russian companies.