Science

This suitcase-sized spacecraft could hear the universe before stars existed

Source: FlexChar · Published Sep 29, 2026, 5:45 AM · 2 views

CosmoCube will use the far side of the Moon as a shield from Earth’s radio noise to search for a faint signal from the universe before the first stars existed. The suitcase-sized satellite could reveal how the cosmic dark ages ended and how dark matter helped build the first galaxies.

In Science, FlexChar puts this story at the center of the day: CosmoCube will use the far side of the Moon as a shield from Earth’s radio noise to search for a faint signal from the universe before the first stars existed. The suitcase-sized satellite could reveal how the cosmic dark ages ended and how dark matter helped build the first galaxies. FlexChar is surfacing it because it is driving searches and conversation right now.

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This suitcase-sized spacecraft could hear the universe before stars existed

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