A newly discovered supernova 21 million light years from Earth could be a beacon for alien communication.

A team of astronomers led by the University of Washington has their sights set on SN 2023ixf, in the Pinwheel galaxy, which is the closest stellar explosion seen by human eyes in a decade.

The theory stems from the notion that there are at least 100 within about 300 light years away and scientists are now investigating if inhabited planets surround them.

If extraterrestrials observed the supernova, these civilizations could use it as an attention grabber for their communications.

To read more, click here.