Articles by Jeff Mitton

Ranchers graze their sheep on public lands to make money—but at what expense to the land itself?

From birds to chipmunks, wildlife scrambling to harvest seeds.

This year, aspen’s colors did not occur at the same time as in recent decades.

Now we know that natural and industrial emissions from one continent can be seen and felt on distant continents. Distant emissions become local visions and inhalations.

With pendant urns, this perennial lofts its seeds with feathery plumes.

Butterfly species is fascinating when it comes to color variation.

It appears that, for a plant that will flower only once, having offspring flower over a period of at least 40 years is a way of hedging one’s bets in an unpredictable environment.

Adult buck moths earned the name by flying during fall deer hunting season.

Two factors suggested that this spring and summer would witness extraordinary blooms of wildflowers on the Colorado Plateau. First of all, blooms in California were so colorful and extensive that they were easily visible from space and they attracted hordes of people taking selfies amongst the flowers. In Colorado, average...

The flight of sphinx moths is a marvel, for while hovering or accelerating the wings beat so fast that they emit a fluttering buzz — wingbeat frequencies are typically 41 cycles (up and down) per second.