President Trump has already begun to introduce changes that weaken the Endangered Species Act, a cornerstone of U.S. conservation law.

Defining AI chatbot personality could be based on how a bot “feels” about itself or on how a person feels about the bot they’re interacting with.

Quantum physics underlies technologies from the laser to the smartphone. The International Year of Quantum marks a century of scientific developments.

Our brains are increasingly plastic. Minuscule shards and flakes of polymers are surprisingly abundant in brain tissue, a study of postmortem brains shows.

Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.

Urban wildfires like LA’s make harmful chemicals from burning plastics and electronics that can make indoor air dangerous for months.

Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals.

Unlike Roman, Maya or Iñupiaq numerals, this isn’t a total reimagining of numbers. Instead, it’s an uncanny parallel universe. Any number without zeros retains its old appearance (1,776 is still 1,776 ...

This new six-part podcast follows the lives of people with severe depression who volunteered for deep brain stimulation.

In a lab test, chimps and orangutans can recognize their own reflection. But in the wild, baboons seemingly can’t do the same.

While genetic tests can reveal the ancestry of enslaved individuals, strontium analysis can now home in on where they actually grew up.

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...