These are the first plants grown in moon dirt

That’s one small stem for a plant, one giant leap for plant science. In a tiny, lab-grown garden, the first seeds ever sown in lunar dirt have sprouted. This small…

Fynbos plants hold their ground with the world’s thinnest roots

Some plant roots draw a line in the sand — literally. In South Africa, you can move between cool, green forest and sunbaked shrubland in a single stride. These narrow…

Earth may have 9,200 more tree species than previously thought

Trillions of trees are growing on Earth, though how many kinds there are has been underestimated, a new study finds. Earth hosts roughly 64,100 known tree species. But there could…