How Cosmic Dust May Have Delivered the Building Blocks of Life to Earth
How Cosmic Dust May Have Delivered the Building Blocks of Life to Earth  
Podcast: Bedtime Astronomy
Published On: Tue Oct 28 2025
Description: In this episode, we explore new research from the Monthly Notices of the Royal Astronomical Society revealing how cosmic dust may have carried the building blocks of life to early Earth.Scientists simulated space conditions and found that amino acids like glycine and alanine could survive by clinging to silicate dust grains—tiny interstellar travelers that may have seeded our planet with the precursors for life.Tune in to uncover how these microscopic particles might have shaped Earth’s first chemistry.