On a mission to streamline email, messaging, and data, SEDNA Systems has raised $10 million in Series A funding. Based in the United Kingdom with a presence in Vancouver, SEDNA was founded in 2017 by ...

In 2004, astronomers announced the discovery of a red, frigid planet-like body at the outskirts of our solar system. Michael E. Brown, the Caltech astronomer who spotted the object (and who would ...

Astronomers announced Monday they had discovered the most distant object ever detected in the solar system -- a fiercely cold object neither planet nor comet, but a mysterious fossil remnant of a time ...

In 2076, the dwarf planet Sedna will make its closest approach to the Sun in 11,400 years, and scientists are now figuring out the best way to visit the outer solar system visitor before its too late.

In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that one trip around the Sun takes more than 11,000 years. For much of that time ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Astronomers studying 35 NASA Hubble Space Telescope (HST) images of the solar system's farthest known object, unofficially named Sedna, are surprised the object does not appear to have a companion ...

When the distant planetoid Sedna was discovered on the outer edges of our solar system, it posed a puzzle to scientists. Sedna appeared to be spinning very slowly compared to most solar system objects ...

WASHINGTON - Strange planetoid Sedna, the most distant object in the solar system, was supposed to have a companion moon, but even the Hubble Space Telescope could not find it, scientists said ...