Populations of the once-common bonnet macaque have fallen 65 percent.

Extensive searches for this tiny microbat have failed to locate any survivors. The exact cause of its extinction remains unknown.

We have to work together to solve climate change and other environmental problems, says author David Biello.

Can extinct species ever truly be brought back to life? More importantly, should they?

People around the world are struggling with wildfires and floods and other crises, but I don’t give up hope.

This month brings new books about elephants, energy and an all-too-real mythic figure.

Rescuers turn out for Houston’s famous Waugh Bridge bat colony.

Kenya this week made it official: Anyone manufacturing, importing, selling or even using plastic bags faces thousands of dollars in fines or up to four years in jail. It’s not just shopping bags; garbage bags also count. The ban could help reduce the hundreds of millions of plastic bags used in Kenya each year, but it’s also controversial, as many Kenyans rely on plastic bags to carry charcoal for heating and cooking, or even for sanitation. Still, the BBC reports that people are already adapting by wrapping goods in old newspapers or carrying them in their hands. 

The Secretary of the Interior recommends reducing a "handful" of monuments.

Got knowledge about endangered species? A new toolkit tells you how to put it to good use.