US-based entrepreneur Elon Musk reveals details of his proposed supersonic "Hyperloop" transport system to link Los Angeles and San Francisco.

A surge of electrical activity in the dying brain could be responsible for the experiences reported by near-death survivors, scientists report.

Health authorities are trying to find out what poisoned at least 20 condors in the Andes mountain range between Chile and Argentina.

The public are being asked to help in the fight against ash dieback by playing a computer game that analyses genetic data on the disease.

The Perseid meteor shower lights up the night sky, as the annual display reaches its high point.

Scientists plant flower meadows in four UK cities as part of a study, the largest of its kind, to assess the impact of urbanisation on insect pollinators.

A team in Brazil reports that a mathematical formula can help predict how many murders will occur as the population increases.

A white rhino is shot dead by poachers in one of Kenya's most heavily guarded parks, close to the capital Nairobi.