According to researchers, a new analysis of an 80-million-year-old permineralized pollen cone found in the Campanian Holz Shale formation located in Silverado Canyon, California, offers a more ...

When it was established in 1922, South Dakota’s Fossil Cycad National Monument possessed the world’s most significant beds of fossilized, Cretaceous Age cycads, large, fern-like plants. But management ...

(NEXSTAR) — For decades, national parks have served to protect sites with some sort of natural or cultural significance. Unfortunately, it doesn’t always go smoothly. That’s especially true for one ...

LAWRENCE — Cycads, a group of gymnosperms which can resemble miniature palm trees (like the popular sago palm houseplant) were long thought to be “living fossils,” a group that had evolved minimally ...