Imagine a photograph of your great-grandparents, grandparents and parents side by side. You’d see a resemblance, but each generation would look distinct from its predecessors. This is the process of ...

Chris Haufler is a professor of ecology and evolutionary biology at the University of Kansas. He researches plant biology, including the genetics of ferns. (AP PHOTO/Sara Shepherd/Lawrence ...

Ferns are among the oldest known plants. Before the dinosaurs roamed the Earth, they were well-established - growing, reproducing and decomposing throughout the ages. Fossil remains in rocks and coal ...

WHILE MOST of the country is blanketed in snow and cold, we are under the deep, moist tule fog that has settled into the garden since the beginning of the year. Misty mornings in the garden are often ...

QUESTION: How do seedless plants reproduce? ANSWER: Scientists estimate that there are approximately 400,000 species of plants on Earth. It is no surprise that there are many forms of plant ...