Mount Lemmon Lodge has your cozy comforts all year long.

As the trail wound its way into Arizona's Sky Islands, the region's biodiversity was on full display, as were the threats from rising temperatures.

Parking on Mount Lemmon can be a challenge — especially on weekends, holidays and during the summer when visitors flock to escape Tucson’s triple-digit heat. A new federal project now underway along ...

Comet C/2025 A6 (Lemmon), discovered on January 3, 2025, by the Mount Lemmon Survey, presented an extended period of visibility in Fall 2025. The comet unexpectedly continued to brighten for several ...

It has been a few years since we’ve seen a decently bright comet grace the nighttime sky, but one is now passing through our celestial neighborhood. It certainly won’t compare to the rare cosmic ...

MENASHA (WLUK) -- Comet Lemmon, a long-term comet visible in the night sky over Northeast Wisconsin, is offering a rare celestial display. The comet, discovered at Mount Lemmon Observatory in Arizona ...

Skywatchers of Arizona should clear their schedules. The next few weeks will feature the appearance of supermoons and meteor showers. Plus, there will also be a pair of comets visible in the night sky ...

In a double cosmic treat and once-in-a-millennium opportunity, stargazers in October 2025 can look to the sky for two rare comets as they make a close approach to Earth — and Comet Lemmon and Comet ...

In October 2025, Comet Lemmon and Comet ATLAS may be visible as they streak across the night sky, providing a rare cosmic treat for skywatchers tonight, Wednesday, Oct. 22, amid the Orionid meteor ...

Two comets, Lemmon and Swan, are visible in the October night sky. Comet Lemmon is making its closest approach to Earth on Oct. 21 and can be seen with the naked eye. For the best viewing, find a dark ...

The most visible comet of the fall will make its closest approach to Earth overnight. Comet Lemmon (C/2025 A4) is one of a pair of comets sweeping through the solar system. The other is SWAN (C/2025 ...