These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

A potential dwarf planet has been discovered in the outer reaches of our solar system, orbiting beyond Neptune. Its presence there challenges the existence of a hypothetical body known as Planet 9 or ...

Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf ...

Published in the peer-reviewed The Astrophysical Journal, the research focuses on tidally locked planets, worlds that always ...

Decades-old pictures of Pluto’s heart are breaking the Internet again. University of Oxford's Dr Carly Howett explains the science behind the New Horizons mission and that famous 5-billion-kilometre ...

In a statement Thursday, astrophysicist Amri Wandel of Hebrew University in Jerusalem said his research challenges the traditional concept of the "habitable zone," the narrow orbital range around a ...

A new study reveals a rare-breaking white dwarf star, dubbed RXJ0528+2838, that is somehow generating a rainbow-like "bow shock" as it zooms through the Milky Way. The cosmic zombie is also ripping ...