👉 Want the raw data or the 2024 paper summary?

In 1977, a 72-second radio burst from space—labeled “Wow!”—still haunts SETI researchers. No natural or human source fit.

But the kicker: the echo is dated. It appears to have been sent 4.6 billion years ago… just as our solar system was forming.

Fast-forward to 2024: Scientists traced it back to a cold hydrogen cloud near a sun-like star… but here’s the twist.