Rachel Courtland (@rachelcourtland.com)

I took a break from science policy to step back and write about the beguiling mystery of dark matter and how much we've learned about how little we know. A spoiler: It's a story without an ending. No one's directly detected dark matter yet, and there's no guarantee of when that will happen—or if.

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The search for dark matter has been blown wide open After decades of hunting, physicists still don’t know what makes up most of the universe’s matter. Now they need to cast a wider net. https://ter.li/6a77ujzz