The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

Surprise, it's twins.

The scene around WISPIT 2 is messy in a way that matters. Rings of dust circle the young star, gaps cut through the disc, and ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner ...