Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...

The James Webb Space Telescope continues to capture images of space that are clearer and more detailed than what we've seen before. One of the latest images it has taken is of a "super star cluster" ...

The neighboring Andromeda Galaxy, also known as Messier 31 (M31), will reach ... On the same night, the dwarf planet Ceres—the largest object in the Asteroid Belt—reaches opposition, when it lies ...

This image captures a richly detailed section of the Milky Way, showcasing a tapestry of stars and glowing nebulas. Against a black cosmic backdrop, countless white stars sparkle like scattered ...

WASHINGTON (Reuters) -Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star.

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...