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

For the first time in its history, humanity is assembling a coordinated system to find, track, and deflect asteroids that ...

観測技術の進歩により、太陽系の外にも地球のような惑星が多く存在することが分かってきており、地球外生命体発見への期待が高まっています。しかし、他の星系によくある地球型惑星を太陽系に配置したコンピューターシミュレーションにより、太陽系 ...

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

Advances in observation technology have revealed that there are many planets like Earth outside the solar system, raising expectations for the discovery of extraterrestrial life. However, computer ...

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