A signal buried beneath the Moon has been waiting 648 million years to be found. When lunar geophysicist Helena Ferreira uncovers an impossible anomaly deep beneath Mare Imbrium, a routine survey becomes the greatest discovery in human history. As scientists race to unlock an ancient mystery, they confront questions about extinction, survival, and humanity’s place in a universe far older than imagined. The Lazarus Frequency is a hard science fiction thriller of first contact, cosmic archaeology, and the echoes of a civilization lost to time.
