The once-common native guava species has nearly vanished — killed off by an invasive fungus that arrived just 10 years ago. Other plant species may soon follow.

The world’s smallest bears face oversized pressure from poaching, traditional medicine and the illegal pet trade. The COVID-19 pandemic could make things even worse.

Satellites can help monitor industry and highlight environmental harm. SkyTruth founder John Amos tells us how technological advances are driving conservation efforts — and how people can participate.

The Mindo harlequin toad, last seen in Ecuador in 1989, was feared a victim of the amphibian-killing chytrid fungus. Have other lost species survived, too?

A historic international treaty to protect marine biodiversity is currently being negotiated, but will it be strong enough to create reserves and boost conservation efforts?

A summer of extremes leaves sobering questions about the state of Earth’s largest store of ice, capable of inundating coastlines worldwide as it melts.

President Trump’s notorious border wall is just one transboundary threat to the world’s wildlife.

Botswana hides behind national “sovereignty” while selling off its natural heritage to foreign hunters and treating elephants as mere commodities.

Here’s what we can do to make sure the critical mistakes made after the SARS outbreak won’t be made again.

New research proposes classifying the threatened tree as an “umbrella species” because of its oversized ecological role.