Engineers in Yorkshire have developed a system of 3D barcodes made from tiny indentations with variable heights, which could help tackle counterfeiting of drugs, watches or automotive parts.

Environmentalists should keep cool heads over fracking, says Bryony Worthington - Friends of the Earth's former climate campaigner and now Labour shadow energy minister.

Scientists in South Africa have discovered a new human-like species, which could change ideas about our early relatives.

The earliest known case of rickets in the UK has been identified in a 3,000-year-old skeleton found in Scotland.

It is "essential" that the genetic modification of human embryos is allowed, according to a global group of scientists, ethicists and policy experts.

Scientists say secretions from tiny ocean plants could play a significant role in the formation of ice in clouds.

A group of 20 UK researchers decides to compose a message to aliens - but they are split over whether such a message should be sent into space.