Blogs

It seems that reproductive success and sexual dimorphisms for dorsal color and for vision are inexorably interdependent in ruddy copper butterflies.

My viewing of winter solstice dawn was quiet, but I had the conviction that this sort of observation reached far back into history, all around the world.

Why did that one tree die? An expert is on the case.

Invasive propensities of the various species are enhanced and more successful in disturbed environments. Consequently, both native and introduced cattails are expanding their ranges.

My observation that fall temperatures and pollination seemed to last longer this year is anecdotal, but the anecdote seems to fit into a documented pattern of climate change altering the onsets and durations of the seasons.

Wildfires are a natural disturbance for these regions, but when combined with climate change and housing growth in the wildland-urban interface, they become larger and more destructive.

News that Sen. Kamala Harris was Joe Biden’s choice for the 2020 Democratic vice presidential nominee drove speculation and argumentation about her identity. The big question appeared to be, “Is Kamala Harris truly African American?”

The result of months of protests over racial injustice and monument destruction may seem like a modern form of American political speech. It’s not.

Wielding all of these defenses, these moths have little to fear from birds or bats and they ignore photographers with impunity Triangular leaf senecio, Senecio triangularis , is common on the eastern slope of Cimarron Ridge in the San Juan Mountains, from 9,000 to over 10,000 feet. This year they...

What is happening in the Arctic is very real and should serve as a warning to everyone who cares about the future of the planet as we know it The Arctic heat wave that sent Siberian temperatures soaring to around 100 degrees Fahrenheit on the first day of summer put...