#Einstein Probe
Keck Observatory helps unravel mystery behind rare cosmic X-ray bursts
July 14, 2025 · 12:00 AM UTC
An international team of astrophysicists using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have uncovered a possible origin of fast X-ray transients (FXTs) — mysterious, fleeting bursts of X-rays that have long puzzled astronomers.