The International Astronomical Union (IAU) defined a dwarf planet in 2006 as a celestial body that orbits the Sun, is round in shape, but has not cleared its orbital neighborhood of objects of ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Vahe Peroomian, Professor of Physics and Astronomy, ...

University of Regina provides funding as a member of The Conversation CA-FR. University of Regina provides funding as a member of The Conversation CA. Curious Kids is a series for children of all ages ...

Ammonite was discovered using the Subaru Telescope in Hawaii, with follow-up confirmation from the Canada-France-Hawaii Telescope. Its orbit and size officially qualify it as a distant dwarf planet.

Vahe Peroomian has received funding in the past from the National Science Foundation and from the National Aeronautics and Space Administration. The word “planet” came from the ancient Greek words ...