Back to today’s briefing

Story perspectives

Today in History: Gamma-ray burst detected beyond the Milky Way

2/28/2026

41 7

Summary

Story summary

On February 28, 1997, scientists detected GRB 970228, the first gamma-ray burst (GRB) with an observed afterglow. This 80-second flash marked a significant breakthrough, confirming that GRBs originate from distant galaxies, far beyond the Milky Way. The event provided crucial insights into the nature of these powerful cosmic explosions.

1 of 1

Story summary

On February 28, 1997, scientists detected GRB 970228, the first gamma-ray burst (GRB) with an observed afterglow. This 80-second flash marked a significant breakthrough, confirming that GRBs originate from distant galaxies, far beyond the Milky Way. The event provided crucial insights into the nature of these powerful cosmic explosions.