Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

We know that our Solar System is not the blueprint for all planetary systems out there. There are gas giant planets orbiting ...

How did a planet this big form around a star this small? An international team of astronomers, including researchers from the University of Liège and collaborators in UK, Chile, the USA, and Europe, ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune orbit most stars. Oddly, our sun lacks such a planet. That’s been a source ...

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...