The universe may be vast, but researchers have multiple points of evidence that reveal its shape.

This 2020 astronaut photo shows the unusual cetacean-like shape of Belize's Lighthouse Reef. It's home to the famous Great ...

A giant S-shape structure, around 10 times wider than Earth, recently appeared in the center of the sun, moments before our ...

Created by the sun, the protective bubble of the heliosphere shields our solar system from harmful radiation. A new mission ...

A striking new image of the strange interstellar object 3I/ATLAS has revealed it is growing a tail, offering more proof that ...

The bottom half of the world, known as the Southern Hemisphere, is about to be treated to a partial solar eclipse that won't ...