Astronomers have classified planetary systems into four distinct categories, based on the sizes and arrangements of their planets. As it turns out, the architecture of our own solar system is the ...

The exploration and study of exoplanets have advanced significantly in recent years, leading scientists to reconsider how these distant worlds are classified. As our understanding deepens, so does the ...

Clyde Tombaugh discovered Pluto in 1930; however, in 2006, the International Astronomical Union (IAU) reclassified it as a dwarf planet, a decision sparking debate among astronomers and planetary ...

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

The article introduces the "Three Kingdom (3K) system" as a novel, overarching hierarchical classification framework for all astronomical objects, addressing the current lack of a universal ...

The National Academies of Sciences, Engineering, and Medicine will establish an ad hoc committee to review and assess recent research sponsored by NASA and the European Space Agency (ESA) relating to ...