Which scientific organization significantly redesigned its logo after new data from space missions revealed their previous logo's scientific inaccuracy?

In science, brand identity can sometimes reflect scientific understanding and discovery. Throughout history, some scientific brands and organizations have evolved their logos to better represent new scientific knowledge or to correct outdated visualizations. This poll tests your knowledge about a famous scientific logo change that occurred due to advancing scientific discovery.

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NASA, which changed its depiction of Earth after the Apollo missions provided the first comprehensive views of our planet from space
The International Astronomical Union, which updated its logo after Pluto's demotion from planetary status
The European Southern Observatory, which redesigned its logo after discovering the actual shape of the Milky Way galaxy through infrared observations
The American Chemical Society, which changed its molecular diagram logo after discovering that its original benzene ring representation was structurally inaccurate