There seem to be numerous submissions of this topic.
This thread seems to be the leading one:
Astronomers Reveal First Image of the Black Hole at the Heart of Our Galaxy
https://public.nrao.edu/news/astronomers-reveal-first-image-... (https://news.ycombinator.com/item?id=31353677)
Others, as of submitting this comment:
https://www.eso.org/public/news/eso2208-eht-mw/ (https://news.ycombinator.com/item?id=31353692)
https://public.nrao.edu/news/astronomers-reveal-first-image-... (https://news.ycombinator.com/item?id=31353677)
https://www.youtube.com/watch?v=rIQLA6lo6R0 (https://news.ycombinator.com/item?id=31353643)
https://www.youtube.com/watch?v=4Ws0iPDSqI4 (https://news.ycombinator.com/item?id=31353587)
https://www.nsf.gov/news/news_summ.jsp?cntn_id=305028&org=NS... (https://news.ycombinator.com/item?id=31353583)
https://nitter.kavin.rocks/ehtelescope/status/15247172729037... (https://news.ycombinator.com/item?id=31353547)
https://www.cnet.com/science/space/watch-live-astronomers-re... (https://news.ycombinator.com/item?id=31353480)
https://beta.nsf.gov/blackholes (https://news.ycombinator.com/item?id=31353474)
https://www.youtube.com/watch?v=rIQLA6lo6R0 (https://news.ycombinator.com/item?id=31353463)
https://www.nsf.gov/news/news_summ.jsp?cntn_id=305148 (https://news.ycombinator.com/item?id=31353757)
https://eventhorizontelescope.org/blog/astronomers-reveal-fi... (https://news.ycombinator.com/item?id=31353786)
https://www.nytimes.com/2022/05/12/science/black-hole-photo.... (https://news.ycombinator.com/item?id=31353823)
https://www.quantamagazine.org/black-hole-image-reveals-sagi... (https://news.ycombinator.com/item?id=31353874)
https://www.bbc.co.uk/news/science-environment-61412463 (https://news.ycombinator.com/item?id=31353939)