Multiple outlets report on a scientific advance aimed at cataloguing the DNA of Earth’s living organisms. The work focuses on tardigrades, microscopic animals known for extreme resilience, and describes progress toward sequencing their genetic material as part of a broader effort to build reference genomes across all life. The reporting frames the study as “one small step” within a long-term project that seeks to improve the completeness of DNA databases used for identification, evolutionary research, and biodiversity monitoring. Sources indicate that generating high-quality sequence data for tardigrades helps fill a gap for understudied lineages and provides additional genetic benchmarks for comparative genomics. The articles also emphasize that the goal requires assembling and analysing DNA from many species over time, since no single sequencing campaign can capture all organisms at once. While the coverage highlights the importance of this targeted sequencing effort, it also portrays it as incremental, with further sampling and sequencing needed to expand genome coverage across the tree of life.