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.

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.

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