Africa

Results of a new census reveal massive declines due to illegal ivory poaching

Fish invades volcanic islands off coast of Africa

Animals could play a crucial role in transmitting the tropical disease

Largest study to date tracks impact of poaching on African populations

Phase III trial of the most advanced candidate shows just 31% protection for babies

Researchers uncover the secret to their song

What do pachyderms talk about at the ol' watering hole?

A deadly strain may have ridden the coattails of the AIDS epidemic

Bones indicate several species of early human ancestors living 2 million years ago

Sea-surface temperatures may be responsible for expansion of grasslands

Farming coupled with regional climate change may have triggered continent's dramatic ecological shift

Overeager trophy hunters biggest threat to African lions

Disease has been with us for more than 50,000 years, according to new study