biodiversity

Estimates of how many species we are losing per hour vary, but authoritative assessments point to a crisis many times faster than the historical background rate. This explainer...

Researchers have described a new stick bug discovered in Australia, adding a previously unrecognized species to the country’s diverse phasmid fauna. This profile explains how...

When conservation authorities and scientists declare a species extinct, they state that there is no reasonable doubt that the last individual has died, based on exhaustive surve...