The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other.

Swarms of satellites launched by SpaceX and other companies are disrupting astronomical observations. Here's how scientists ...

Learn about a new observation of a galaxy emitting ultraviolet light that broke through the early universe's dense fog.

The strange sight is actually two galaxies, with the light of the second warped around the one at the front as a result of ...

Aside from sunlight, the sun sends out a gusty stream of particles called the solar wind. The ESA-led Solar Orbiter mission ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled.