Hygiea isn’t a new discovery but the fact that it meets the International Astronomical Union’s (…

Pluto, Eris, Ceres, Makemake, Haumea, and five others meet Brown's "near certainty" criteria - in o…

NASA's Webb telescope was able to spot an object, the smallest of its kind, from 1,000 light years …

Narrator: And while these new worlds looked and behaved like Pluto, they were completely different …

They'll be using the Subaru telescope on the summit of Mauna Kea in Hawaii to hunt it down and sea…

Stars die because they eventually burn through their reserves of hydrogen and helium. That fuel cre…

So far three dwarf planets, including the Goblin, have been found in the fringes of our solar …

They also want to investigate why the dwarf planet is spewing jets of water vapor into space - a di…

This is made possible by its ion propulsion system, which gave the spacecraft enough power to escap…

When he discovered Pluto, Planet X became real - for a time. But in 2003, a world larger than Pluto…

Mysterious brown dwarfs are neither planets nor stars, but this one somehow has northern lights, me…

StarTalk Radio is a podcast and radio program hosted by astrophysicist Neil deGrasse Tyson, where c…

The scientists used geological maps of the region made from images taken by Dawn as it orbited Cere…

The next step, Gillon said, will be using the next generation of satellites - including NASA's upco…

Scientists used a technique called "principal component analysis" to create the false-color image. …

"But one thing is certain: in a few billion years, when the Sun has run out of fuel and the Solar S…

TOI 700 d sits in its star's Goldilocks-like habitable zone - the area around a star where it's not…

The problem, Stern said, is that the reclassification largely stemmed from the opinions of astronom…

The top row of the image below shows the bright spot near Ceres's equator. The bottom row shows a p…