Archaeologists confirm a mile-long tunnel network under Cusco’s Temple of the Sun, revealing Incan engineering and links to ...

Lost River Caverns in Hellertown offers a geological adventure that’s been millions of years in the making, yet somehow ...

Evacuation warnings issued for other communities, including San Elijo Hills, to the northeast of San Elijo and So. Rancho Santa Fe, also were lifted.

An unfounded bomb threat at San Elijo Middle School on Tuesday prompted safety protocols and a thorough search of the San Marcos campus that involved law enforcement dogs.

Crystal Cave, the ancient marble cavern at the end of a steep half-mile hike in Sequoia National Park, is slated to reopen to visitors this summer after four years of closure.

Plans for a proposed apartment complex in San Elijo Hills are raising concerns about emergency preparedness from area residents.

Despite recent restoration efforts, water levels in the San Elijo Lagoon in Encinitas are dropping to levels that could affect the mortality of fish and other wildlife in the area, according to ...

San Elijo Lagoon needs a new dredging approach, says the San Diego Nature Collective. The environmental nonprofit says that the lagoon has been having issues anticipated since July, made far worse ...

The San Elijo Lagoon, a beloved destination with over eight miles of trails and diverse wildlife, is experiencing a serious environmental crisis.

A view across San Elijo Lagoon Ecological Reserve from the top of Annie’s Canyon Trail, about 20 miles north of San Diego.

Texas' first show cave has reached a special celebration. Wonder World Cave and Amusement Park recognize 120 years in the community.

The new San Elijo Activity Hub Park & Ride has officially opened in Encinitas, marking the latest project in the massive Build North Coast Corridor infrastructure program to reach completion.