Ammonite was discovered using the Subaru Telescope in Hawaii, with follow-up confirmation from the Canada-France-Hawaii ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

The Subaru telescope located at the Mauna Kea Observatory on Hawai'i has found a new world within our Solar System, dubbed ...

In a cosmic first, astronomers have spotted the earliest signs of rocky planet formation around a young star. The discovery offers a rare vision of how Earth-like worlds may begin.

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...

A newly found object may set a new record for the most distant dwarf planet in the solar system.. The object, called V774104, lies about nine and a half billion miles from the sun, or two to three ...

"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | ...

And in June 2025, scientists proposed a new possible dwarf planet ... that makes eighteen or more dwarf planets in the solar system — and that's just the ones we've seen. There are likely more out ...

New Dwarf Planet Found At The Solar System's Outer Limits : The Two-Way The tiny world is a pink-hued ball of ice in an area of space once thought to be relatively empty. But the new findings hint ...

"Thanks to these images, Hygiea may be reclassified as a dwarf planet, so far the smallest in the Solar System," he added. The new observations helped astronomers determine that Hygiea has a ...

Pluto is the most famous of the dwarf planets – long considered our solar system’s ninth planet until it was demoted in 2006 when the International Astronomical Union created a new definition ...

The category "dwarf planet" was created in 2006 to make room for the many large bodies being discovered on the outer reaches of the solar system. Here's a tour of the five currently recognized ...