This bird is totally crazy-looking, and it is an opera singer,” says a biologist from Colombia and an expert on Neotropical ...

In Bolivia’s disappearing Amazonian frontier, a small but significant rediscovery has stunned conservation biologists. A rare ...

The sights and sounds of the Amazon rainforest come alive in this video that makes you feel you are in the heart of Amazonia.

This year’s U.N. climate negotiations were seen by activists as a letdown. But a Times reporter found some encouraging signs ...

By Mark J. Plotkin Having studied the healing plants and peoples of tropical South America for well over four decades, I am ...

A mass extinction event is a term used to describe a large-scale event that wipes out species. It is usually not a short, one-time incident but rather something that occurs over thousands or millions ...

To breathless media coverage, a company called Colossal Biosciences now claims to have produced three genetically engineered pups of the long-extinct dire wolf. Scientific criticism followed fast. The ...

Think having 2.1 kids per woman keeps the human race humming along? A new study suggests that number might be too low. Researchers in a new study published in the journal PLOS One argue the classic ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. It’s a long ...

Colossal Biosciences claims to have reached several milestones in its "Jurassic Park"-like ambition to bring extinct species back to life, helping it capture investor support and making its latest ...