SEDNA. The concept of an owner, or master, of the animals appears in many hunting and fishing societies. For the Inuit (Eskimo) of Canada and Greenland, for whom sealing was of vital importance, this powerful being was the mistress of seals and other...

In Inuit mythology, Sedna (Inuktitut Sanna, ᓴᓐᓇ) is a deity and god of the marine animals, especially mammals such as seals. She lives in and rules over Adlivun, the Inuit underworld. Sedna is also known as Arnakuagsak or Arnarquagssaq (Greenland)...

Lurking more than 13 billion kilometers from Earth in the coldest, remotest part of the solar system, a newly discovered body lies three times farther from the sun than Pluto does. It's the most distant object ever found to orbit the sun and...

After years of debate, astronomers worldwide are now planning to settle a question that seems basic to every schoolchild: What is a planet? Prompted by controversy over the status of Sedna - a large and distant object announced this month circling the sun...