Botanists have found a stand of rare trees in Tanzania’s Zanzibar archipelago not known to grow wild anywhere else in Africa.

Trump Says He Will Rework Global Trading Relations With ‘Reciprocal’ Tariffs President Trump signed a memorandum ordering his advisers to calculate new tariff levels for other countries, a ...

HIV is spread by bodily fluids such as blood, breast milk or semen. It gradually weakens the body's immune system and makes it vulnerable to disease, including ones rarely seen in otherwise healthy ...