A British attempt to search for life in an ancient lake beneath the Antarctic ice-sheet has run into trouble.

A World War II coded message strapped to the remains of a pigeon has foiled Britain's top code breakers. But has a Canadian enthusiast done what the experts could not and found the key?

Unrivalled control of a robotic arm has been achieved using a paralysed woman's thoughts, a US study reports.

A lighting module that changes from blue to red is to be installed on the International Space Station to help regulate astronauts' sleeping patterns.

A pacemaker has been built inside a heart by converting beating muscle into cells which can control the organ's rhythm, US researchers report.

Nasa's Ebb and Flow gravity mapping satellites are being commanded to crash into the surface of the Moon.