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Video

Farout! Astronomers identify the most distant known object in our solar system

by Alan Boyle on December 17, 2018December 20, 2018 at 11:19 pmComment

Astronomers say they’ve discovered the most distant body ever observed in our solar system, a potential dwarf planet that’s about 11 billion miles from the sun. Its nickname? “Farout.” The… Read More

Search for Planet Nine turns up a way-out dwarf planet that’s called ‘The Goblin’

by Alan Boyle on October 2, 2018October 2, 2018 at 9:59 pmComment

While searching for a hypothetical Planet Nine, astronomers found a distant mini-world that’s been given a spooky nickname: “The Goblin.” The icy object was found at a distance of about… Read More

Video

Discoveries boost Jupiter’s retinue to 79 moons — including a wrong-way oddball

by Alan Boyle on July 17, 2018July 17, 2018 at 4:38 pmComment

Astronomers searching for signs of a hypothetical “Planet Nine” have instead come up with 12 new moons of Jupiter, including one that hints at a cosmic crack-up. The discoveries were… Read More

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Scientists say there may be yet another unseen planet at solar system’s edge

by Alan Boyle on June 21, 2017June 21, 2017 at 4:03 pm1 Comment

Astronomers say they’ve found hints that an unseen planetary-mass object may lurk in the outer reaches of our solar system. And no, they’re not talking about Planet Nine, Planet X,… Read More

Looking for Planet 9 and other far-out objects? Finally, NASA has an app for that

by Alan Boyle on February 15, 2017February 15, 2017 at 4:49 pm 2 Comments

Citizen scientists can join an online hunt for icy worlds, brown dwarfs and other yet-to-be-discovered objects beyond the orbit of Neptune, using a technique that’s not all that different from… Read More

Astronomers are seeing more signs of undiscovered Planet Nine’s influence

by Alan Boyle on October 19, 2016October 19, 2016 at 11:17 pm 3 Comments

Astronomers haven’t yet seen Planet Nine, the theoretical world that some say lies far beyond Pluto’s orbit, but they’re seeing more phenomena that could be explained by its existence. Today, astronomers… Read More

Hunt for Planet Nine leads to mini-worlds

by Alan Boyle on August 29, 2016August 29, 2016 at 8:10 pmComment

The hypothetical world known as Planet X or Planet Nine hasn’t yet been found, but thanks to the search, astronomers have discovered smaller worlds on the solar system’s edge. Mapping such objects could… Read More

‘Planet Nine’? Astronomers boost the case for a large, unseen Planet X

by Alan Boyle on January 20, 2016January 20, 2016 at 2:41 pm 2 Comments

For decades, astronomers have gone back and forth over whether a “Planet X” exists on the edge of our solar system – and now two researchers have laid out new evidence… Read More

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