An international research team has rediscovered a dinosaur tracksite in the Saijrakh area of northern Mongolia. The site was ...

The animals — a pygmy long-fingered possum and a newly identified ring-tailed glider — are examples of rare “Lazarus species” that reappear after vanishing from the scientific record. Each species has ...

Researchers have rediscovered a rare fish species presumed to be extinct after it was not seen for more than eight decades. The last sighting of the Chel snakehead, or Channa amphibeus, was last ...