Biodiversity

250 million years from now, the emergence of a new supercontinent could render most of Earth’s surface uninhabitable for mammals

United Nations secretary-general António Guterres is proposing a $500-billion annual stimulus package to meet the Sustainable Development Goals to preserve the environment and end poverty and hunger

Reintroducing large herbivores into fire-prone areas can help combat the global rise in megafires

Researchers will inseminate female ocelots in zoos with sperm from the few remaining wild ocelots, then train kittens for the wild

Record-low sea ice caused Emperor Penguin chicks to die across Antarctica last year. This year could be just as bad

At Los Angeles’ La Brea Tar Pits, scientists found they could watch large mammals disappear from the fossil record—and could trace the ecosystem through the catastrophe

An expedition using a deep-sea remotely operated vehicle has uncovered a hidden underground ecosystem below hydrothermal vents on the seafloor

Researchers set out to calculate how much of Earth’s life dwells in the planet’s least admired environment

An adorable seabird courtship ritual shows the meaning of love: fish

Cape Cod has quickly become one of the largest white shark hotspots in the world and the first ever in the North Atlantic

Formerly “adjacent” wetlands in more than half of all states may be dredged or filled now that their federal protections have been stripped

The destruction of the Kakhovka Dam threatens both agriculture and nature reserves, a Ukrainian conservationist says