What did dinosaurs look like? It’s not easy to figure out when all you have to go on is scant fossil evidence, but every now and then a rare find gives us a fresh glimpse into the past. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

Most recently, that includes some fossilized Diplodocus skin that has preserved evidence of melanosomes – specialized organelles in the skin that give it pigmentation; the first ever to be found from a sauropod dinosaur. Scientists saw evidence for two potential types of melanosomes in the fossil, but one variety was a bit bizarre...

The Diplodocus fossils used for the study were retrieved from Mother’s Day Quarry in Montana, a site that’s previously yielded samples that demonstrated how diverse th

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