For a few weeks in February, a spectacular sight draws crowds of visitors to Yosemite National Park. Each day, just before sunset, Horsetail Fall on the eastern edge of El Capitan gets a back-lit glow ...

If you find horsetail (Equisetum) living in your yard or garden, it's important to take care of the problem quickly and correctly to avoid establishment. Since this weed has been around for ...

Each day, just before sunset, Horsetail Fall on the eastern edge of El Capitan gets a back-lit glow, seemingly transforming from an ordinary waterfall to a stream of flame. Tourists refer to the ...