The Guardian

Astronomers have puzzled over the lack of large craters on our nearest dwarf planet. Has a computer simulation helped reveal their fate?

Analysis implicates alcohol in development of breast, liver and other types of cancer and says even moderate consumption is a risk

Authors of hypothesis say it explains key mystery of why dinosaur cousins the crocodilians survived the mass extinction

New research demonstrates an extreme form of inattentional blindness in which we fail to see the unexpected

The anatomy of ancient roots pushes the boundaries of palaeobiology, pointing to more diverse root biology than previously understood

Researchers find what appear to be predecessors of tiny humans whose bones were first unearthed on Indonesian island in 2004

As The Selfish Gene turns 40, the author reflects on what he has learned about writing and science

Orcas exist in every ocean, adapting to different conditions and diets. Genome sequencing has allowed insights into their evolution – and similarity to humans

Fossils from China are said to prove that multi-cellular organisms evolved as early as 1.5bn years ago – but some experts dismiss findings