University of California, Santa Cruz Professor of Planetary Sciences Francis Nimmo recently co-authored a Science Advances paper about the internal structure of the dwarf planet Eris. Eris is about ...

WASHINGTON (Reuters) - Dwarf planet Eris, similar in size to its better-known cosmic cousin Pluto, has remained an enigma since being discovered in 2005 lurking in the solar system's far reaches.

New models show Eris is behaving less like a solid, rocky world and more like "soft cheese." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Add Yahoo as a preferred source to see more of our stories on Google. On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Eris is just ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The small icy worlds on the edge of our solar system may be better ...

A team found evidence for hydrothermal or metamorphic activity within the icy dwarf planets Eris and Makemake, located in the Kuiper Belt. Methane detected on their surfaces has the tell-tale signs of ...

Two nearly-identically sized worlds — Eris and Pluto — float distantly in the same frozen region of our outer solar system. A NASA spacecraft has visited Pluto, but not Eris, and each is so distant ...

Jan. 5 (UPI) --On this date in history: In 1914, the Ford Motor Co. increased its pay from $2.34 for a 9-hour day to $5 for 8 hours of work. It was a radical move in an attempt to better retain ...

The puzzling presence of a certain flavor of methane on Eris and Makemake could be hinting at their warm, watery interiors. When you purchase through links on our site, we may earn an affiliate ...

A depiction of Eris’s rocky core and ice shell on an illustrated background from NASA. Credit: University of California - Santa Cruz A depiction of Eris’s rocky core and ice shell on an illustrated ...