A planned expansion of the park’s east entrance parking lot has created a unique opportunity to study these protected desert giants.

National Parks offer breathtaking natural beauty and adventure, drawing millions of visitors each year. However, while iconic ...

The desert city in southern Arizona is a sanctuary for stargazers—and now it's even easier for visitors to explore.

Shutterstock The Grand Canyon State is a Certified Stargazing Paradise Arizona has some of the darkest, clearest skies in the ...

Arizona's state bird fends for itself against predators in the desert, making its home in prickly plants. Here's what to know ...

Some of the world’s most exotic succulents and cacti will be on full display at Balboa Park this weekend. There will also be many plants for sale.

The trail is a curated collection of national and state parks, observatories, planetariums, and musuems that offer travelers ...

From spa days in the Swiss Alps to sleep retreats overlooking the Pacific Ocean, our recommendations for self-care trips that ...

Stunning discoveries and fresh breakthroughs in DNA analysis are changing our understanding of our own evolution and offering a new picture of the "other humans" that our ancestors met across ...

Large wildfires in the desert were once rare. Now experts worry that invasive plants and a changing fire cycle are putting ...