Analysts have warned of the risk of electricity blackouts in Europe if average temperatures fall.
The grieving father of three children killed by his wife has said their loss hits him every day "like a sledgehammer".
The Islamic State attack on Gweiran Prison was brazen but inevitable.
The world's most powerful space telescope has reached its final stop - one million miles from Earth - a month after setting off on its historic voyage.
At least six people were killed in a stampede outside the stadium in an African Cup of Nations football game in Cameroon, officials have said.
The Ukrainian soldiers speak in whispers as they trudge through the snow and mud of their trenches, keeping low as they pass the most exposed sections, past signs warning of sniper activity.