The 20-year project calls into question the conventional wisdom about the role plants will play in mitigating future climate change.

Restrictions will remain on transgenic plants, which contain artificially inserted genes from other species.

The agency is also poised to end a 50-year effort to restore endangered whooping crane populations.

It has become increasingly evident that, like animals, plants are not autonomous organisms but rather are populated by a cornucopia of diverse microorganisms.

Pectin fragments may signal plant cells to maintain a type of growth suited to darkness.

Scientists discover the real pollinators of a popular houseplant flower. 

Scientists engineered the Artemisia annua plant to produce twice the normal amount of artemisinin, the main component in many malaria treatments.

Stripping away everything except the cell walls from certain plants, scientists can create scaffolds for human cell cultures.

Grass cell stomata have a set of subsidiary cells flanking their guard cells, allowing the moisture-regulating portals to react more quickly to environmental conditions.

This 1.6 billion-year-old fossil, which resembles red algae, is the oldest plant-like fossil ever found.