The wealthy family caring for them faces U.S. accusations of laundering money for drug traffickers.
The semi-aquatic fen raft spider, once nearly extinct in the region, is seeing benefits from a relocation program.
Chickens selectively bred to be bigger over a 50-year period show that evolution can happen dramatically during our lifetimes.
A nest full of tiny dinosaurs froze in time a tragedy that led to their deaths around 70 million years ago.
Smithsonian's National Zoo staff have brought 1-year-old female Lulu in as a companion for Thor and now hope kittens are in their future.
Some 48-million-years ago, a horse was about to give birth, but the tragedy that followed has been frozen in time.
Artificial light is causing some wallabies to delay when they give birth, putting them out of sync with the resources they need to feed their young.
After going nearly a decade without any male contact, a female yellow-bellied watersnake has given birth to offspring.
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