500-million-year-old tunicate fossil reveals new secrets

A new discovery, named Megasiphon thylakos, offers surprising insights on the evolution of tunicates.

Wendy Heywood • harvard
July 6, 2023 • ~8 min

Big discovery of tiny rare tardigrade fossil

Discovery in 16-million-year-old amber is the third species of water bear ever found.

Juan Siliezar • harvard
Nov. 5, 2021 • ~5 min

Harvard researcher connects the dots in fin-to-limb evolution

With an innovative technique called anatomical network analysis, clear patterns emerge that help solve the puzzle of how fins became limbs 420 million years ago.

Clea Simon • harvard
May 21, 2019 • ~5 min

Study examines how mammal backbones changed during evolution

Harvard scientists are using the fossil record and a close examination of the vertebrae of thousands of modern animals to understand how and when specialized regions in the spines of mammals developed.

Peter Reuell • harvard
Oct. 19, 2018 • ~5 min

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