New butterfly house at Whipsnade Zoo in Bedfordshire opens doors to members of the public for the first time.
Amateur footage of tornado released by Ohio town police department.
Not all of the science in Dwayne Johnson's earthquake disaster flick is completely wrong.
Seven of its accounts were frozen by the Indian government on alleged violations of fund transfer.
Environmental organisation launches new campaign video against oil company Shell.
Glaciers on Mount Everest will experience sustained ice loss over next 85 years.
Texas Governor Greg Abbott declares state of disaster in 40 counties.
Who's 'responcible' she wonders, for those white streaks in the sky.
Study shows how surface UV would have increased as much as 14% if CFCs had not been banned.
Volcanic islands in Zubair archipelago show region is more volcanically active than previously thought.
Lava from the 1.7km high Wolf volcano could endanger pink land iguanas that live on the island.
Huge storms ripped through northern Mexico and the south-western US, spawning deadly tornadoes and flash flooding.
California's record drought could become so dire that state residents will have to drink their own sewage, say experts.
Airborne ragweed pollen will by four times higher by 2050, study finds.
Category 4 twister destroyed homes and upended cars, and kills at least two children.