For the first time, scientists have published a detailed report of adoption in these great apes. Rossa, pictured here at nearly 14 years old, adopted her younger sister Ronnie when Rossa was just 12.6 ...

Before the deadly landslides and floods hit Indonesia about two weeks ago, Amran Siagian, 39, frequently met Tapanuli ...

Amran Siagian observes the disappearance of Tapanuli orangutans following deadly landslides and floods in Sipirok, Indonesia. Deforestation by mining and logging has worsened the situation for these ...

Over the years, filmmakers have worked harder than ever to create some of the best nature documentaries showing the world how important the planet's preservation really is. As the fight for humans to ...

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...