Left: A Yellowstone National Park team member uses a long grabber pole to remove a park map, presumably blown from a ...

More than 13,000 pieces of garbage have been retrieved this year from hydrothermal areas in Yellowstone so far this year.

A specialized team of scientists says they've collected over 300 hats, amid 13,000 pieces of trash blown into the vast ...

So far this year, the National Park Service geologists at Yellowstone have recuperated over 300 hats from hydrothermal areas.

In the fall cleaning campaign, Yellowstone's geology team discovered a trove of unusual items tossed by visitors.

From hats infiltrating Yellowstone’s geysers to a new speed record on the Grand Teton, Outside is rounding up the biggest news of this week ...

When recreating or working in Yellowstone National Park, it’s not uncommon to stumble across a team of National Park Service ...

Geologists at Yellowstone National Park have already collected more than 300 hats from the park’s hot spring areas this year ...

CHEYENNE, Wyo. (AP) — Geyser experts plan to spend three days in Yellowstone next week pooling their knowledge about the Old Faithful area’s geology to help guide future decisions about construction ...

Brad Carr, foreground, an associate research scientist in the UW Department of Geology and Geophysics, sets up a transient electromagnetic instrument at Spouter Geyser in Yellowstone National Park ...

Yellowstone National Park's Steamboat Geyser blasted steam and water into the air at 12:52 p.m. local time on June 12. Then, three days, 3 hours and 48 minutes later — at 4:40 p.m. on June 15 — it ...

The animal kingdom brims with egg-laying creatures—chicken, goldfish, toads, and more. But one thing you might not expect to lay an egg is a geyser. Geyser eggs don't spawn a swarm of baby ...