If a solar superstorm struck the Earth, the effects on the UK would be "challenging but not cataclysmic", says a report from the Royal Academy of Engineering.

Researchers call for conservation improvements to save China's highly threatened Yangtze finless porpoise.

The world's first "smartphone satellite", assembled by British engineers, is sent to India for its launch into space at the end of the month.

Construction is to start on 93 new flood defences in England this year to improve protection for more than 64,000 homes, the government says.

Nearly half of the timber exported from Mozambique to China is illegal, with politicians and traders involved in smuggling, a pressure group says.

The US space agency's Curiosity Mars rover rotates its drill mechanism for the first time, as it builds towards taking a sample from inside a rock.

Salmon use the Earth's magnetic field to navigate the ocean as they make the long journey home to spawn, research suggests.