https://www.msn.com/en-us/news/technology/alien-signal-detected-from-deep-space-was-sent-eight-billion-years-ago/ss-AA1izqCS?ocid=hpmsn&cvid=9fe8773f561e4a3186cffb9cdaecfa19&ei=66
Some probably are. Others may not be,yet.
https://www.msn.com/en-us/news/technology/alien-signal-detected-from-deep-space-was-sent-eight-billion-years-ago/ss-AA1izqCS?ocid=hpmsn&cvid=9fe8773f561e4a3186cffb9cdaecfa19&ei=66