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The Contreras Fire on Monday.

The Contreras Fire has burned thousands more acres in rough terrain the past several days, and officials at Kitt Peak National Observatory say assessing any damage to scientific instruments will be a priority. The village of Pan Tak near the base of the mountain also remains evacuated. Read more»

Smoke from the blaze at Kitt Peak, seen Friday.

The Contreras Fire burned several structures atop Kitt Peak early Friday, and continued to advance through thousands of acres of rough terrain this weekend. Observatory officials have not yet been able to assess if any instruments were damaged, although scientific facilities appear intact. Read more»

An image from a webcam at Kitt Peak National Observatory

The Contreras Fire topped the summit of Kitt Peak early Friday morning and breached the main road, however fire crews were able to defend the observatory's buildings through the night. Read more» 1

A fire tornado forms as part of the Conteras Fire, a wildfire that has burned nearly 11,500 acres near the Baboquivari Mountains and Kitt Peak Observatory.

The Contreras Fire burning along remote ridges in the Baboquivari Mountain range doubled in size Thursday, consuming nearly 6,000 more acres of grass and brush in steep and rugged terrain in the desert southwest of Tucson. Read more»