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

Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The 15 planet-forming disks around young stars that have been studied in detail by exoALMA. Here ...

CC0 Usage Conditions ApplyClick for more information. The Solar System is much more than a collection of planets, moons, comets, and asteroids. It is our home in the cosmos. The Solar System's only ...

A distant gas giant the size of 10 Jupiter planets is now the first planet outside Earth's solar system to be mapped in three dimension, a team of astronomers says. Using data from NASA's James Webb ...

Jupiter, the largest planet in the solar system, may have been responsible for a mysterious age gap in the early solar system's planet building blocks. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya ...