The discovery overturns traditional models that predicted gas giants in outer orbits and suggests planets can form in gas-poor environments.

In a conventional system like our own, rocky planets such as Mercury, Venus, Earth, and Mars orbit closest to the host star. Farther out, gas giants ...

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

Scientists have identified a rocky outer planet in a system where a gas giant was expected. The discovery challenges ...

WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its gaseous ...

A rocky exoplanet in the LHS 1903 system defies planet formation models, hinting that gravitational upheaval reshaped the red dwarf’s four worlds.

Beneath Jupiter’s stormy clouds lies a world scientists have never directly seen, but new simulations are bringing it into focus. Researchers have revealed that the gas giant holds more oxygen and ...

Jupiter’s swirling storms have concealed its true makeup for centuries, but a new model is finally peeling back the clouds. Researchers found the planet likely holds significantly more oxygen than the ...

Does This Planet Break the Theory of Planet Formation Scientists Rely On? Donald Trump approval rating shifts with low‑income voters I was a combat soldier in Iraq. Here's the 1 question everyone ...

Earth would certainly be different without its rusty red neighbor. No Mars in the night sky, no target for future human exploration. Now, however, scientists say this scenario would result in much ...

Roughly 1,000 light-years away from Earth, a gigantic disk of gas and dust is swirling around a young star and giving rise to new planets. Not only is it the largest planet-forming disk astronomers ...

An unusual object orbiting a rapidly spinning star might be a new phenomenon in the universe. By Jonathan O’Callaghan Earth isn’t a perfect sphere. The rotation of our planet causes it to bulge ever ...