Scientists have discovered a rare six-planet system, HD 110067, where all planets orbit their star in perfect mathematical ...

Europe has just run its most extreme space weather simulation yet — a scenario so severe that no spacecraft was left ...

A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by ...

The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery challenges long-standing ideas about how planets form and orbit in the cosmos.

For the first time ever, the James Webb Space Telescope has discovered an exoplanet by directly imaging it. The newfound world has a mass roughly similar to Saturn and orbits inside the debris disk ...

This illustration shows an exoplanet orbiting around two brown dwarfs –– objects bigger than gas-giant planets but too small to be proper stars. ESO/M. Kornmesser Astronomers have discovered a ...

Astronomers in Japan have spotted a distant object orbiting the Sun far beyond Neptune, pointing to an extraordinary event that took place during the earliest years of the solar system. Astronomers ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar ...