Scientists have uncovered a key mechanism in jellyfish embryos that provides new insights into how the body plan of these animals develops along a central axis from their ‘head’ to ‘tail’. The study, ...

The early life stages of fish are marked by the rapid development of the digestive system, which plays a critical role in transitioning from endogenous nutrition, using yolk reserves, to exogenous ...

Life began on earth more than 3.5 billion years ago, but the history of humans and other vertebrates accounts for only a fraction of this timescale. Chordates (a group that includes vertebrates) and ...