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For more than three decades, a mentally ill man has single-mindedly harassed, threatened and terrorized Kaia Anderson and her family. Her case helped strengthen Colorado's stalking law. Now she's telling her full story.

Last May, I went to the Maze District in Canyonlands National Park to enjoy its unique scenery unusual natural history. On two epic hikes, we encountered a somewhat rare species of milkweed that has turned out to be unusual.

Biological control of pest species evokes both high hopes and deep fears. On the one hand, one might achieve a simple, efficient and economic solution to a problem. On the other hand, the control agent may switch from its intended host to one or several unintended native species.

We have been immersed in a large and prolonged migration of painted lady butterflies. On a small scale, it does not appear to be a migration, for the flight of individual butterflies appears undisciplined and erratic, unlikely to be a purposeful movement to a common destination. 

CU ¶¶Òõ´«Ã½ÔÚÏß researchers have been awarded $2.9 million from the NSF to create a comprehensive digital archive of native plants in the southern Rocky Mountain region.

Ouray’s amphitheater is formed by walls of rich red sandstone draped with the deep green of several species of conifers, but now, the magnificent amphitheater is sullied with the red of dying white fir, Abies concolor. Another bark beetle epidemic has begun.

I had chosen a dispersed camping site on the Uncompahgre Plateau for its proximity to a small reservoir and a large meadow. But when I drove into the site, I found it was littered, not with refuse, but with tops of subalpine firs.

A team of CU ¶¶Òõ´«Ã½ÔÚÏß scientists is working to unlock a longstanding ecological mystery: barren patches of ground in Africa's grasslands known as fairy circles.

Caterpillars have far less bacteria and fungi inhabiting their guts than other organisms, making them an evolutionary oddity in the animal kingdom.

CU ¶¶Òõ´«Ã½ÔÚÏß program helps underserved and underrepresented students in the STEM fields gain valuable research experience for graduate school.