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Supernovae Linked to Extinctions; Saturn Gains 128 New Moons

3/19/2025

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Summary

Story summary

Nearby supernovae may have unleashed deadly ultraviolet radiation, potentially sparking two of Earth's mass extinction events. Meanwhile, NASA's SPHEREx mission is set to unveil a stunning 3D map of over 450 million galaxies. In an exciting discovery, astronomers have identified 128 new moons around Saturn, bringing its total to a staggering 274.

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Story summary

Nearby supernovae may have unleashed deadly ultraviolet radiation, potentially sparking two of Earth's mass extinction events. Meanwhile, NASA's SPHEREx mission is set to unveil a stunning 3D map of over 450 million galaxies. In an exciting discovery, astronomers have identified 128 new moons around Saturn, bringing its total to a staggering 274.