Our Solar System is home to many unique planetary bodies, including protoplanets and dwarf planets. Here are the unique ...

Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

PASADENA, Calif.–The International Astronomical Union (IAU) today downgraded the status of Pluto to that of a “dwarf planet,” a designation that will also be applied to the spherical body discovered ...

A new model that incorporates data gathered by the JWST could help scientists understand the composition and mass of objects ...

It's much harder to find, but there are a lot more of them." The first interstellar object to visit the solar system may have ...

Webb uncovers methane on Makemake, showing the icy dwarf planet is more active than once thought - just like Pluto.

“This milestone represents decades of cosmic exploration driven by NASA space telescopes — exploration that has completely changed the way humanity views the night sky,” Shawn Domagal-Goldman, acting ...

WASHINGTON >> Scientists have identified an object about 435 miles wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...

In a study published in the Monthly Notices of the Royal Astronomical Society (MRNAS), astronomers from the University of Warwick, Europe, and the United States found strong evidence that ...

The odds for life existing on other planets has just skyrocketed after a NASA rover unearthed new evidence on Mars. The odds ...

Gleise 710, an orange dwarf star about 63 light years away, is on course to pass through the outer reaches of our solar ...