Evolution Diary

A fossil fish uncovered in Australia is the oldest-known example of a mother giving birth to live young, scientists have reported in the journal Nature. (…)

A fish species, which is all female, has survived for 70,000 years without reproducing sexually, experts believe. (…)

Sex is part of the “oldest profession” and is often called the subject of the “world’s oldest joke.” Now scientists think they’ve found evidence of the oldest known creatures to engage in sexual reproduction. (…)