Calling it a “declaration of vengeance” after a deadly attack on US troops last week, the US military launched more than 70 strikes on alleged ISIL targets in Syria. | Al Jazeera English

Speaking at a defence ministry meeting in Moscow, President Putin called European leaders ‘piglets’ trying to take revenge on Russia, accusing them of joining forces with the previous US administration in the hope of profiting from Russia’s collapse. | Al Jazeera English

Hundreds of Arabic words are used in the English language today, and there are surprising stories behind how some of them made it. For World Arabic Language Day, Al Jazeera's Alma Milisic explains some of the key ones. | Al Jazeera English

Commuting to work by air may be possible sooner than we think. Al Jazeera’s Katrina Yu took a ride in a pilotless electric air taxi, being developed in China. | Al Jazeera English

Videos show deserts and mountains blanketed with snow in Saudi Arabia’s Hail and Tabuk region, as a cold weather snap hits several cities. | Al Jazeera English