Lemmings became "regionally extinct" five times due to rapid climate change during the last Ice Age, scientists have found.

Scientists and philosophers at Cambridge University are to study the likelihood of robots destroying the human race.

The discovery of microbes living in the briny, sub-zero conditions of an Antarctic lake could raise the prospects for life elsewhere in the Solar System.

Visitors can walk through a full-size replica of a section of the world's biggest "atom-smasher" - the Large Hadron Collider - at an exhibition in Cardiff.

US scientists say they can track early human movements by analysing molecules in ancient faecal matter.

Astronomers see a temperature pattern on Saturn's moon Tethys that looks like the 1980s arcade icon Pac-Man - the second such find near Saturn.

The possibility that autism is linked to traffic pollution has been raised by researchers in California.