Invasive alien species have been a problem for generations. Find out why a new international study warns that the issue is more urgent than ever. (4:30 min read time)
Astrobiology is working to answer three fundamental questions. Find out what they are and how NASA is coordinating efforts to get to the bottom of them. (4:30 min)
Learn more about the latest UN report on Biodiversity and Ecosystem Services, its dire warnings about species extinctions and what you can do.