Lead is often thought of as a modern toxin, but a new study has found that it's been haunting us and our ancestors for almost 2 million years.

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System – only the third ever spotted, though scientists suspect many more may slip past unnoticed.

Ancient fossils of the world's very first dinosaurs may be buried in places almost impossible to investigate, according to new research from University College London and the UK's Natural History…