The sun’s outer atmosphere resembles a pufferfish.

Pluto sits far out in the Solar System, small and dim, moving at a pace that barely fits human timelines. It was found in ...

I/ATLAS is a newly detected interstellar object that entered the solar system from outside our stellar neighborhood, ...

Comet 3I/ATLAS has recently passed through the solar system, generating scientific interest that it could be much older than ...

A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...

24P/Schaumasse will make its closest pass of the sun on Jan. 8, according to In-the-sky, when it will pass 109.7 million ...

The University of Wisconsin-Superior is turning to the sun to save energy. After two years of planning, design and finally ...

About 4.4 million years ago, two blue stars passed just 30–35 light years from our solar system, leaving traces in nearby gas ...

When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it ...

Discover why the solar system's planets are arranged as they are, shaped by formation conditions and planetary migration.

The most striking claim about 3I/ATLAS is its estimated age range of 8-14 billion years. This analysis, led by Michele ...