Behind the stillness of desert landscapes, cacti appear to be changing in unexpected ways. The cactus on your windowsill may ...

Scientists discover that fast-changing cactus flowers, not size or pollinators, are behind the rapid evolution of new cactus species.

Plants are usually seen as stationary life forms, quietly supporting environments. But plant communities and populations are ...

Rafflesia, the flower species which contains some of the world’s largest flowers, is at risk of extinction, scientists have warned in a new study. The study, co-authored by botanists from the ...

More than 2.3 million ancient genetic switches discovered in plants reveal how key growth controls endured 300 million years ...

A member of the aster and sunflower family found in Isle Royale National Park is one of the world's newest-described flower species. Small with delicate yellow blades, Packera insulae-regalis -- Latin ...