Tag Archive for 'Reproduction'

Life reconstruction of a group of Chiniquodon theotonicus individuals, a pregnant female (left) as well as a female (right) breastfeeding few, relatively large neonates. Image credit: María de los Ángeles Miceli Baro.

Fossil Evidence Pushes Back Origin of Live Birth by 90 Million Years

Aug 13, 2026 by Enrico de Lazaro

Paleontologists studying a 236-million-year-old cynodont fossil from Argentina say they have found the earliest evidence yet of viviparity (live birth)...

Artist’s reconstruction of the Fractofusus community: the bottom right features a large Fractofusus around which there are 5 to 8 medium specimens clustered; each of the medium specimens also has small specimens clustered around them; the small specimens therefore form an independent double cluster pattern, namely clusters of clusters. Image credit: C.G. Kenchington.

Earth’s Earliest Animals May Have Thrived Too Easily to Evolve

Jun 10, 2026 by News Staff

Fossils from some of the oldest-known animals on Earth, dating from 574 million years ago (Ediacaran period), suggest that cloning, not competition, dominated...