Their analyses revealed the green Sahara individuals likely branched off from the ancestors of sub-Saharan Africans roughly 50,000 years ago. Then, somehow, they remained genetically isolated for tens ...

The country has been known as a hub for the trade in illegal wildlife. But it has been stepping up enforcement as concerns ...

Many deserts face worsening droughts, but India's Thar Desert has become 38% greener in the past 20 years due to increased ...

Zone-tailed hawks are among the birds of prey that rely on riparian forests – woodlands along creeks and streams – as nesting sites in the Big Bend. Each summer, these hawks return from the tropics to ...