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These are large plants with towers, or racemes, of deep blue to purple flowers that reach heights of 6 feet. They are most spectacular when they grow intermixed with cow parsnip and loveroot.

there we were, three Americans standing near South Africa’s Drakensberg Mountains, where Barton, I learned, was studying how it was that a flower pollinated by a fly that looks like a hummingbird evolved — and may still be evolving.

Elephant's heads are found in subalpine and alpine habitats in western mountains from New Mexico to Alaska and throughout Canada, except for Newfoundland and Nova Scotia.

As plant communities become more diverse and complex in the high alpine, so to do soil microorganisms, according to a new ��������Ƶ Boulder study.

Scientists are bringing the "science" to "science communication" at "Cheers to Science," a new monthly event beginning this week.

A wildfire's heat and rising plumes of air cause it to create its own weather, and now we appreciate that the big wildfires send aerosols — both particulates and gases — all the way around the world.

How to deal with environmental issues is a difficult discussion, but one group at the University of Colorado Boulder is hoping to bring it to the general public this week through skits and interactive games.

Ornate checkered beetles are bright, conspicuous and tolerant of humans, so they are easily found and fun to watch.

My trip was to be three nights long, combining camping and photography, and I longed for clear air and skies for photography of the Milky Way. But I was beleaguered by smoke.I started at the Railroad Bridge Campground on the Arkansas River near

A profound drought has delayed spring in the southwest, and claret cup is one of the first cacti to flower in spring.