Moscow insists it did not plan to hit targets in Poland, after Warsaw says it shot down Russian drones in its airspace.

A newly discovered set of mathematical equations describes how to turn any sequence of random events into a clock, scientists ...

Laser method could help to pinpoint the age of many fossils, but some palaeontologists say further research is needed to ...

Dinosaur eggs laid 85 million years ago have been accurately dated using a new "atomic clock for fossils" method.