The idea of Earth “falling” might sound a bit puzzling at first, but it’s a super interesting concept that shakes up how we think about gravity and motion in the universe. And this isn’t ...

A Comet-like Planet At such close proximity to its star, the planet is likely covered in magma boiling off into space. As the roasting planet whizzes around its star, it is shedding an enormous ...

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

Lee says this is unusual but makes the system’s configuration stable – even though it means that the planet repeatedly moves through the narrow space between the two stars.

Astronomers using NASA's James Webb Space Telescope discovered that a planet fell into its star rather than being consumed by it.

The textbook picture of how planets form—serene, flat disks of cosmic dust—has just received a significant cosmic twist.