Large and small planets are born from very different circumstances, according to data from NASA’s now-retired space telescope ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

Young, close-orbiting exoplanets known as sub-Neptunes may form farther from their stars and migrate inward or lose their ...

"We can see, for the first time, rings of dust surrounding protoplanets made visible by the bright starlight reflecting off ...

A new model that incorporates data gathered by the JWST could help scientists understand the composition and mass of objects ...

Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation following the impact that wiped out the nonavian dinosaurs.

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The Sun has a crazy idea: what if the planets were ordered by size? The answer? PURE CHAOS! Prince Frederik dies from rare genetic condition at age 22. See his dad's emotional message JP Morgan ...