In a groundbreaking discovery, astronomers have uncovered the first direct evidence of molecular activity in comet C/2014 ...

If our solar system seems stable, it's because our short lifespans make it seem that way. Earth revolves, night follows day, ...

I enjoyed the new space show at the American Museum of Natural History’s Hayden Planetarium in New York City this week.

Scientists have unlocked one of the solar system’s many secrets from an unexpected source: a planetarium show that recently opened to the public.

Federal Reserve Board Chairman Jerome Powell speaks during a news conference at the Federal Reserve in Washington, Wednesday, ...