DENNIS OVERBYE writes:
‘After two months of underground and social media rumblings, the first wave of news is being reported Monday about one of the least studied of cosmic phenomena: the merger of dense remnants known as neutron stars, the shrunken cores of stars that have collapsed and burst. …’
Source: NYTimes.com
First gravitational wave catastrophe that astronomers saw as well as heard, and the most observed astronomical event to date. The video accompanying the article is a lovely explanatory simulation (thanks, Abby).