Scientists gain new insights into what lies at the very centre of the Earth, with a US-Chinese team saying its inner core is made of two parts.

Government spending on research and innovation needs to be doubled to stop the UK falling behind other countries, say science leaders.

The introduction of the fox and cat from Europe is having a devastating impact on native mammals in Australia, say scientists.

Geologists find that a huge canyon in Iceland was created by a few short days of catastrophic flooding, separated by thousands of years.