New National Park Offers 148,000 Acres, 550-Million-Year-Old Fossils
Nilpena Ediacara National Park in Australia opened at the end of April
Flooding Prompts Partial Closure of Yosemite Valley
A lot of snow melted from last week's heat
Yosemite National Park Reopens, With Limited Hours
Park staff is working on getting more open
Over a Dozen Bison Died After Truck Collision Near Yellowstone
The accident took place in West Yellowstone, Montana
Human Foot Discovered in Yellowstone Hot Spring
Authorities are investigating the matter
Sierra Club Releases Map of Proposed Delaware Water Gap National Park
It's unclear how likely this effort will be
Girl Scouts' Possible Sale of 633 Acres of Maryland Land Draws Controversy
It's a complex situation for all involved
Once an Industrial Wasteland, Chicago's Big Marsh Park Rises Again
A new environmental center, designed by Valerio Dewalt Train, offers an ideal gateway to this reclaimed landscape
Inside the Effort to Save Death Valley's Bristlecone Pines
A perfect storm of threats to the trees is here
A Crash Course on SF’s New 14-Acre Park: Presidio Tunnel Tops
The 14 facts you need to know about the national park site ahead of opening weekend
Mariposa Grove's Sequoias Are At Risk From Wildfires
Climate change has heightened the threat posed by fires
The 5-Planet Alignment Is Here — These Are the Best Places in California to See It
Mark your calendars for June 24, when there’s a waning surprise between Venus and Mars
Witness the Rare 5-Planet Alignment at These Dark-Sky Parks in Texas
It’s been 18 years since this last occurred, and will be another 18 before it happens again
Make the Most of Spring With These DC-Area Camping Getaways
We’ve got horses, drive-ins and…a well-appointed inn where you can pretend you're roughing it
Head to These 8 California State Parks for the Wildflower Bloom
All the super-photogenic poppies, lupines and manzanita your social networks can handle