Learn about the activation and deactivation of genes over long distances of DNA - an ability that emerged in comb jellies and ...

A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding ...

Life depends on genes being switched on and off at exactly the right time. Even the simplest living organisms do this, but usually over short distances across the DNA sequence, with the on/off switch ...

But when the researchers peered inside, they saw something different ... evolved from land animals and share lineage with hippos. But there are few examples that show evolution from water ...