In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, ...

A space instrument built by the University of Colorado Boulder will launch aboard a NASA spacecraft on Sept. 23 to detect and ...

Astronomers have recently detected a colossal object at the edge of our solar system, sparking excitement and curiosity ...

One of the studies, published in the journal Nature Astronomy, shows that ice inside the parent asteroid melted and reacted ...

Scientists from MIT and their colleagues have estimated the lifetime of the solar nebula — a key stage during which much of the solar system evolution took shape. This new estimate suggests that the ...

New Curtin University research has uncovered a striking link between the structure of our galaxy and the evolution of Earth's ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Center of Competence in ...

A new study led by a University of Central Florida researcher may fundamentally alter our understanding of how comets arrive from the outskirts of the solar system and are funneled to the inner solar ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...

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 ...

As interstellar object 3I/ATLAS approaches its closest point to the Sun next month, astronomers are watching as the ...