Newsletter Restoring Biodiversity - 12/23/2025 Largest wildlife overpass in North America now ready for use. Colorado has wolves again, but why are they dying? Yellowstone's last Caldera Eruption completely in Idaho. And more...
Caldera Eruption Henrys Fork Caldera: Yellowstone's Last Caldera Eruption Completely in Idaho This eruption was the second most recent of the three big Yellowstone eruptions over the last two million years.
