[plain talk]

The region where the signals are coming from, dubbed FRB 121102 by scientists, is located about 3 billion light years away from earth.

[TXnMA]

"The region where the signals are coming from, dubbed FRB 121102 by scientists, is located about3 billion light years away from earth."

Yeah, and -- since radio travels at lightspeed -- that means the signals originated 3 billion years ago.

Time for us to get all excited... (</SARCASM>)