Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An endangered species of shark has been observed having "virgin births" ...

Dear EarthTalk: Why are many environmentalists against artificial cloning of living organisms? Isn’t it a good way to save endangered species? -- Louis Bachman, Chico, CA As many ...

While conservation efforts have bolstered the populations of many species considered to be threatened in 2025, many animal and plant species continue to dwindle in number, with some even going extinct ...

Every third Friday of May is Endangered Species Day. More than 900 known species are already extinct to date, while at least 28,500 others are listed as endangered or critically endangered by the IUCN ...

"The bald eagle has been quite a nice success story, not just in Connecticut but nationwide," a DEEP biologist said.

We are on the cusp of losing the integrity of one of the most significant environmental acts ever enacted in the United States. Why should this matter? As the Pulitzer Prize-winning evolutionary ...

Every so often, a survival story cuts through the usual bad news about endangered species. Around the world, plants and animals are facing pressure from wildfires, rising sea temperatures, extreme ...