‘Croco-salamander’ bones offer clues to how early animals emerged from water

A study overturns the long-held belief that ancient species grew at slow, steady pace, and offers insights into human maturation.

Caitlin McDermott-Murphy • harvard
Dec. 5, 2022 • ~7 min

Climate change drove reptile evolution

Fast climatic shifts due to global warming coincided with high rates of morphological change in most reptiles.

Juan Siliezar • harvard
Aug. 29, 2022 • ~6 min

Analysis of 231-million-year-old fossil sheds light on reptile evolution

With just a look Tiago R. Simões was sure a fossil was sui generis — and it turned out to belong to a previously unknown species of a lizard-like reptile, representing the earliest evolving member of a lineage that today includes all lizards, snakes, and their closest relatives.

Juan Siliezar • harvard
Aug. 30, 2021 • ~7 min

Mammalian vertebral columns may reflect pace of evolution

Researchers find clues to evolution in the intricate mammalian vertebral column.

Jed Gottlieb • harvard
Nov. 14, 2019 • ~4 min

Tiny teeth tell the story of two fish species’ rapid evolution

Based on close examination of thousands of fossilized fish teeth, a Harvard researcher found that, while the asteroid impact that killed off the dinosaurs did lead to the extinction of some fish species, it also set the stage for two periods of rapid evolution among marine life.

Peter Reuell • harvard
Nov. 16, 2018 • ~7 min

Tiny teeth tell the story of two fish species’ rapid evolution

Based on close examination of thousands of fossilized fish teeth, a Harvard researcher found that, while the asteroid impact that killed off the dinosaurs did lead to the extinction of some fish species, it also set the stage for two periods of rapid evolution among marine life.

Peter Reuell • harvard
Nov. 16, 2018 • ~7 min

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