Sedna was not the only object close to Pluto's size to be discovered in the early 2000s. Brown's team also found Quaoar, another dwarf planet candidate, and Eris. Eris was initially thought to be ...

The presence of Eris helped scientists determine that Pluto should not be counted among the major planets. Sedna, a dwarf planet that Trujillo co-discovered as well in 2004, is located in the same ...

The only known body in that no-man's land is the dwarf planet Sedna. Found in 2003, it's twice as far from the sun as any other object detected in the solar system. A decade later, researchers ...

Sponsor Message Until now, the only object detected in that part of our solar system was a dwarf planet called Sedna, after an Inuit goddess said to live in the frigid Arctic Ocean. That discovery ...

“We would learn a lot about dwarf planets with a mission to Neptune,” Stern says. Sedna is one of the reddest objects in the solar system — likely a sign of tholins — and it has one of the ...

another "red planet"—known as Sedna (or 90377 Sedna)—is making its way into the inner solar system. At this moment, the crimson-hued dwarf planet is making its closest approach to the Sun in ...

A recently discovered celestial body is rewriting our knowledge of the Kuiper Belt and maybe challenging the existence of the ...

Ten years ago, scientists found a dwarf planet in the most distant reaches of the solar system and named it Sedna. Now, another has been found, its discovery announced just this week. It's ...

Thank whoever decided to make the Dark Energy Camera Legacy Survey public for this discovery A trio of scientists have ...

This object, called 2012VP 113, is about 450km wide and is the second body of its class found since the identification of the dwarf planet Sedna in 2003, and it joins an exclusive club composed of ...