Researchers using a vast database of physical and genetic data determine the ancestor of all placental mammals was small, furry and probably ate insects.

Cross-border co-operation on terrorism and crime will be compromised unless the UK updates the technology it uses for DNA profiling, experts warn.

Scientists say they have invented spectacle lenses that cure red-green colour blindness, which affects some women and one in every 10 men.

Researchers revisit the timings of a massive impact 66m years ago and the demise of the dinosaurs, finding firmer evidence that they coincided in time.

Curtis Cooper, who has discovered what is thought to be the largest prime number ever identified, admits he's not aware of "any practical application" for it.

A UK veterinary committee had raised concerns repeatedly about the presence of the drug phenylbutazone or "bute" in horsemeat destined for human consumption.