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

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 ...

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

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 ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

Though no direct evidence of life has been found, models suggest Ceres had hot water shooting into its underground oceans ...

“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 ...

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 ...

At the vast edge of the solar system, Pluto has long been perceived as a cold and lonely dwarf planet. However, a recent ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find, announced ...