Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

From the largest planets to comets, there are a variety of worlds in the Solar System that experience aurorae. On Earth, the Northern and Southern Lights are caused by electrically charged ...

In our solar system, ice giants like Neptune and Uranus, though less massive overall, contain more metals than the gas giants Jupiter and Saturn, which are the largest planets, suggesting there ...

An exoplanet where rain made of glass flies through the atmosphere was hiding another secret: ... In our solar system, ice giants like Neptune and Uranus, though less massive overall, ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

In our solar system, ice giants like Neptune and Uranus, though less massive overall, contain more metals than the gas giants Jupiter and Saturn, which are the largest planets, suggesting there ...

Scientists first discovered HD 189733b in 2005 and later identified the gas giant as a "hot Jupiter" — a planet that has a similar chemical composition to Jupiter, the biggest planet in our ...