A brand-new group of frozen objects, orbiting the sun out beyond the distant Kuiper Belt, has been spotted by the Subaru ...

Recent discoveries have shown that the outer Solar System is more crowded with celestial bodies than previously believed.

Brown, who is among the co-discoverers of Sedna, told the publication, “Some of our earlier hypotheses, before we realized ...

Astronomers have uncovered a surprising group of frozen bodies orbiting the Sun, far beyond the Kuiper Belt. Using the Subaru ...

Our solar system might still bear the scars from an extremely close shave with an alien star. Such an encounter – the closest pass we know of – would have shaken up objects on the outskirts and might ...

Engineers have mitigated an issue with Voyager 1’s thrusters, enabling the mission to stay in touch with mission controllers ...

A star’s flyby likely altered the orbits of trans-Neptunian objects beyond Neptune that changes how we view the solar ...

Using the Subaru Telescope, astronomers have identified previously unknown celestial bodies in the outer Solar System, ...

The search for the elusive "Planet Nine," a world shrouded in mystery and debate, may soon be resolved. Advances in ...

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A new study suggests that the Sun may have had a close encounter with another star, explaining the unusual orbits of objects ...

New proposed space missions, led by the University of Leicester, will study stellar impacts on planets and Earth’s ...