Astronomers are abuzz with the discovery of a rogue planet, 2MASS J05325346+0919037, which is set to pass within 0.05 ...

Scientists have recently proposed the existence of “Planet Y,” a hidden Earth-sized world that could be lurking in our solar ...

Roughly 4.5 billion years ago, the young solar system was a swirling cloud of gas and dust that formed the first asteroids ...

Earth has a long, 4.5 billion history full of momentous twists and turns. Multiple prominent events played leading roles in ...

Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach their closest approach to Earth and you can watch the ...