On Mars, NASA’s Perseverance rover has detected chemical signatures in rocks similar to those created by microbial life on ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

Scientists may have cracked the case of whether a seven-million-year-old fossil could walk upright. A new study found strong ...

The brain constantly blends split-second reactions with slower, more thoughtful processing, and new research shows how it pulls this off. Scientists discovered that brain regions operate on different ...