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.

A visit to historic or meaningful trees provides a sense of connection to the wonder of the natural world. Vital parts of their ecosystems, trees also spark our imagination, inspire famous books ...

Updated phylogenetic analyses yield a more nuanced view of the evolution of the DPANN archaea, a diverse superphylum of enigmatic and symbiotic microorganisms with a debated placement on the tree ...