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.

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

Scientists aimed ALMA at the comet in March 2024 and saw carbon monoxide — a gas that usually doesn’t show up in observations that far away — gushing out of its surface in jets. The team also picked ...