The two warmest time periods on Earth in the past 140 million years drove both mass extinctions and explosions in plant ...

A variety of fossilized plant spores have been found in rocks from Western Australia that date from the early Ordovician era—approximately 480 million years ago. According to a paper published in ...

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These are horsetails. They are hundred-and-fifty-million-year-old plants and the last of their kind. Instead of seeds, they give off spores. And instead of flying or swimming, these spores use ...

Add Yahoo as a preferred source to see more of our stories on Google. Well, ferns don't make seeds. Do they? Back in the Middle Ages, and well into the 16th Century, there was considerable confusion ...

Over millions of years, flowering plants have evolved complex relationships with animals, fungi and bacteria. This created ...

Next time you pass a wheat field on a dewy morning, you might want to say “gesundheit.” The flinging effect, which can happen on healthy plants too, is the result of a quirk of fluid dynamics: When ...

Plants use a variety of methods to spread their seeds, including gravity, forceful ejection, and wind, water, and animal dispersion. But what of the mushrooms, whose spores also need to be strewn far ...