Astronomers have discovered a surprising planetary system that does not follow the usual rules of how planets form. The finding, led by researchers...

When it comes to planets, bigger is not always easier to understand. The largest planets in the universe are gas giants—massive worlds made mostly...

When it comes to planets, bigger is not always easier to understand. The largest planets in the universe are gas giants—massive worlds made mostly...

Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of...

Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of...

A small red dwarf star in the Milky Way has drawn attention after astronomers mapped four closely orbiting planets around it. The system, known as LHS...

A small red dwarf star in the Milky Way has drawn attention after astronomers mapped four closely orbiting planets around it. The system, known as LHS...

Astronomers have detected a smelly gas best known for the odor of rotten eggs—hydrogen sulfide—in the atmospheres of four giant planets far beyond...

A new 3D map of Uranus is shedding light on one of the solar system's most mysterious planets. ......

A new 3D map of Uranus is shedding light on one of the solar system's most mysterious planets. ......