Tucson’s most lofty mountain is a place of majestic beauty in the months of summer. Mount Lemmon, the high point of the Catalina Mountains north of the city, rises to an altitude of 9,157 feet ...

NASA’s New Horizons spacecraft has been used to demonstrate simple interstellar navigation by measuring the parallax of just two stars. An international team was able to determine the location and ...

Deputies assisted five teens on Mount Lemmon Sunday after the group was overdue from their hiking and camping trip by one day.

Parts of the Sabino Canyon Recreation Area and Mount Lemmon could be sold if a Senate reconciliation bill is passed by Congress and signed by President Donald Trump. The proposed ...

TUCSON, Ariz. (KVOA) - The Pima County Sheriff's Department warns about hiking in extreme heat after woman is rescued on Mount Lemmon.

The high temps and the national holiday are sending tons of people to cooler spots to start a long weekend and one place they’re flocking is to Mt. Lemmon.

Parts of the Sabino Canyon Recreation Area and Mount Lemmon could be sold if a Senate reconciliation bill is passed by Congress and signed by President Donald Trump. The proposed bill seeks to ...

Students and faculty at BYU’s Department of Physics and Astronomy understand the value of the stars, and they dedicate their ...

While about 20,000 previously unknown asteroids are discovered every year by telescopes around the world and spacecraft in orbit, the first images by the new Vera C. Rubin Observatory revealed ...

Mount Lemmon Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Mount Lemmon area.

The observatory is set to undertake a 10-year time lapse of the universe. Here's everything you need to know about the Vera C. Rubin Observatory and its groundbreaking mission.