Meet Thylacosmilus – the sabertooth predator you’ve probably never heard of. Unlike big cats, this fearsome hunter had ...

Once feared extinct, Australia's most endangered marsupial has had a comeback Australia's most endangered marsupial and rarest marsupial in the world, the Gilbert's potoroo, is back thanks to 30 ...

Rare Tree Kangaroo Reappears After Vanishing for 90 Years. Once thought to be extinct, the Wondiwoi tree kangaroo has just been photographed in a remote New Guinea mountain range.

For the first time, scientists sequenced the genomes of 20 individual lions, including extinct cave lions, revealing insights into their family tree.