![Mystery circular objects sending out radio signals have appeared in space – and scientists are baffled | The Sun Mystery circular objects sending out radio signals have appeared in space – and scientists are baffled | The Sun](https://www.thesun.co.uk/wp-content/uploads/2020/07/KH-COMPOSITE-UNIVERSAL-BLOBS.jpg?strip=all&quality=100&w=1500&h=1000&crop=1)
Mystery circular objects sending out radio signals have appeared in space – and scientists are baffled | The Sun
![Huge antenna dish for communication and signal reception out of the planet Earth. Observatory searching for radio signal in space at sunset Stock Photo - Alamy Huge antenna dish for communication and signal reception out of the planet Earth. Observatory searching for radio signal in space at sunset Stock Photo - Alamy](https://c8.alamy.com/comp/2BM42YF/huge-antenna-dish-for-communication-and-signal-reception-out-of-the-planet-earth-observatory-searching-for-radio-signal-in-space-at-sunset-2BM42YF.jpg)
Huge antenna dish for communication and signal reception out of the planet Earth. Observatory searching for radio signal in space at sunset Stock Photo - Alamy
![Scientists have detected a "strange and persistent" radio signal that sounds like a heartbeat in a distant galaxy - CBS News Scientists have detected a "strange and persistent" radio signal that sounds like a heartbeat in a distant galaxy - CBS News](https://assets1.cbsnewsstatic.com/hub/i/r/2022/07/15/72b521d2-9902-4e3c-8214-7333d444674f/thumbnail/1200x630/ea8218b2a8c0818d5d6dbe099c73a8e7/low-res-mit-clearfrb-01-press-jpg.png)
Scientists have detected a "strange and persistent" radio signal that sounds like a heartbeat in a distant galaxy - CBS News
![Journey Into Space The Host (Classic Radio Sci-Fi): Chilton, Charles, Marriott, Alan, Pavlo, Chris, Jacobs, David, Full Cast, Davies, Jot, Stephens, Toby: 9781408427330: Amazon.com: Books Journey Into Space The Host (Classic Radio Sci-Fi): Chilton, Charles, Marriott, Alan, Pavlo, Chris, Jacobs, David, Full Cast, Davies, Jot, Stephens, Toby: 9781408427330: Amazon.com: Books](https://m.media-amazon.com/images/I/81YkDc-dClL._AC_UF1000,1000_QL80_.jpg)