If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Deep beneath the Earth lies a mysterious and powerful force. A wellspring of nuclear energy which could one day rip us apart. Many scientists have found clues that natural nuclear reactions have ...

Sixty-six million years ago, this asteroid crashed into Earth and wiped out most of the life on our planet. Including the biggest, baddest things that ever roamed the planet. Yeah, dinosaurs. If a ...

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer—has long captured the public imagination. Yet most arguments about it rest ...

Black holes are among the most extreme objects in the universe, and now scientists can model them more accurately than ever before. By combining Einstein’s gravity with realistic behavior of light and ...

The editorial board is a group of opinion journalists whose views are informed by expertise, research, debate and certain longstanding values. It is separate from the newsroom. President Trump started ...