Moss spores survived an extended stay on the outside of the ISS and remained capable of germinating once back on Earth. Their ...

An enigmatic group of fossil organisms has finally been identified—and is changing the story of how plants took root on land ...

Plants are classified as annuals, biennials or perennials based on their life cycles. Biennials, like foxglove, have a vegetative year followed by a flowering year. Perennials, including woody shrubs ...