From a butterfly shaped by 40,000 years of isolation to creatures 1,400 feet below the sea, scientists uncovered thousands of new species in 2025 — and these nine discoveries stood out amongst the ...

Scientists are cataloguing life on Earth at a pace that would have seemed impossible a generation ago, yet a growing share of ...

Scientists from the California Academy of Sciences described 72 new species last year, from elegant birds to strange sea ...

The newly named northern green anaconda or Eunectes akayima is reportedly the largest in the world, capable of exceeding ...

Five new animal species that camouflage themselves as excrement or bark reveal some of what still remains hidden in the world ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

Researchers at the California Academy of Sciences kept busy throughout 2025. Along with collaborators from across the globe, ...

A new species of shrew, Soriculus dexingensis, is discovered in Tibet, raising the number of known shrew species there to six ...