All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't react chemically with each other. But what if some of them do? A new ...

From this route, the resulting exoplanet would be expected to share roughly the same composition as its parent star. ‘The ...

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

Scientists have revealed that some of Earth’s atmosphere may have been brought to the planet by comets billions of years ago. The mystery of how the Earth’s atmosphere was formed has long baffled ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

It's safe to assume you can't breathe on the moon. You probably already guessed that. But not only is there no breathable air on the moon, there are practically no gasses at all -- at least not ...