A new and unexpected challenge has emerged in Kenya, threatening one of the most iconic predators: the lion. This challenge ...

Ants known to defend certain species of Acacia trees from elephant predation deter the massive herbivores so effectively that they are impacting entire savanna ecosystems, according to a study ...

Surprise! It's the ants in the acacia that keep the grasslands healthy. Dino Martins I asked a group of new millennials—the generation born in the 1980s and later—how the Smithsonian might ...

After years reporting on politics as a foreign correspondent, he’s happy to have turned his focus to species ranging from ferocious acacia ants to elephants. Connect with Ryan on LinkedIn or ...

Native ants historically protected acacia trees in Kenya's Ol Pejeta Nature Conservancy, but the invasive big-headed ants disrupt this harmony, leaving the trees vulnerable to destruction by ...