SOCOTRA, Yemen (AP) — On a windswept plateau high above the Arabian Sea, Sena Keybani cradles a sapling that barely reaches her ankle. The young plant, protected by a makeshift fence of wood and wire, ...

In my travels this past week I’ve seen a lot of catalpa trees covered with clusters of bell-shaped white flowers. Northern catalpas are native to this part of the country, but there are other catalpas ...

Quintuplets occur in roughly one in 50 million births in the United States, according to Raising Multiples. But giving each of your quintuplets tree names - that's a once-in-a-lifetime event. On ...

This story originally appeared on Grist and is part of the Climate Desk collaboration. Last fall, I invited a stranger into my yard. Manzanita, with its peeling red bark and delicate pitcher-shaped ...

More than half of Europe's endemic trees -- species that are only found in the region -- are at risk of extinction because of diseases, pests and human activities, a conservation organization based in ...

Without question or doubt, ashes rank as the most common and most abundant trees growing along our neighborhood streets and in our yards and parks. Elms rank much lower in abundance as street trees.