Her birth represents the first cloning of an endangered species native to North America, and may bring needed genetic diversity to the species.
An interview with Peter Daszak, an animal disease specialist, just after his return from an investigative research mission to Wuhan, the site of the original Covid outbreak, and surrounding areas.
A new review of the scientific literature confirms that anthropogenic noise is becoming unbearable for undersea life.
These are the stories about birds, bugs, fish and mammals that surprised and delighted readers the most this year.
The small apes were once widespread across much of Asia. But rampant deforestation and ruthless hunting of the acrobatic animal has greatly reduced its numbers and its habitat.
She rewrote the global Red List, which describes which species are in trouble, and warned that the world must restore its ecological balance or pay a tragic price.