Northern Lights just an elaborate mausoleum, or perhaps a floating lab for an experiment in zero-gravity mummification.

NEWYORKER: Lostronaut

Although the ancient Egyptians were well-known for their mummification practices, other cultures also used special embalming procedures to preserve their dead.

CNN: 'Death can tell us a lot about living,' mummy expert says

The unusual mummification of unknown man E, believed to be Pentawere, points to a "nonroyal burial" that includes use of goat skin to cover his body.

CNN: Study revisits mystery of Egyptian king's killing

In 1994, Wade and Bob Brier, a professor of philosophy and Egyptology at Long Island University, took a human body that had been willed to science and mummified it following the ancient procedures of mummification outlined in ancient Egyptian lore.

CNN: 'Death can tell us a lot about living,' mummy expert says