News Space Cosmic heavyweight Most distant, massive galaxy cluster discovered to date holds dark energy clues By Ashley Yeager August 31, 2008 at 5:44 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print Normal 0 false false false MicrosoftInternetExplorer4 A new cosmic crowd has captured the distance and heavyweight titles for galaxy clusters discovered deep in the universe.