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

A total solar eclipse will not occur on August 2, 2025, despite viral claims. The real event is on August 2, 2027, featuring one of the longest durati ...

A Simple yet Revolutionary System TARS fundamentally differs from traditional spacecraft propulsion systems. It does not rely on chemical rockets or nuclear power; instead, it uses solar radiation to ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labelled as Planet X, prominent astronomers ...

A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed through the solar system’s distant ...

A mysterious object from beyond our solar system, 3I/ATLAS, has recently captured the attention of astronomers once again.

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...