TUCSON, Ariz. (KVOA) - The Santa Catalina Ranger District is continuing its prescribed pile burns around Mount Lemmon. Ignitions have been favorable, and crews will proceed as long as conditions ...

A photographer captures the Comet C/2023 A3 Tsuchinshan-ATLAS as it appears over the Naples Pier in Naples shortly after sunset on Tuesday, Oct. 15, 2024. According to NASA, it likely originated in ...

A small asteroid flew past Earth on Monday. It came closer than the moon, but NASA confirmed that there was no chance of ...

A newly discovered asteroid will make a close encounter with Earth on Monday. Calculations show it will be significantly ...

The space rock has been given the name 2026 JH2 and is thought to be up to around 35 metres wide - around the length of a 5-a ...

JH2, discovered by Mount Lemmon Observatory, will fly past Earth on May 18, closer than the moon. No threat predicted.

UA officials are hoping Mount Lemmon visitors want a little science with their pie. In an effort to increase public awareness of the research conducted at the University of Arizona, officials recently ...

A newly discovered asteroid will approach Earth on Monday, May 18, flying at a distance of about 90,000 kilometers, ABC News ...

For those of you who like interesting night sky phenomena, there are actually two comets that are visible right now. Comet Lemmon and Comet SWAN were each discovered recently, so unlike, for instance, ...

A newly discovered comet, Comet Lemmon, will make its closest approach to Earth on Oct. 21. The comet may be visible to the naked eye in late October, best viewed in a dark sky location. If you miss ...