planetary inflation

The Discovery of a Hot Neptune that Shouldn’t Exist

1800 light-years away, an unlikely survivor orbits an aged star. This rare planet is called a hot Neptune, and it's…

1 year ago

These Newly-Discovered Planets are Doomed

Astronomers have spied three more exoplanets. But the discovery might not last long. Each planet is in a separate solar…

3 years ago