A team of astronomers believes they may have spotted a serious candidate for a ninth planet in our Solar System. This object, located far beyond Neptune, could revolutionize our understanding of our ...

But that’s nothing compared with PSR J2322-2650b, an object the mass of Jupiter studied recently by the James Webb Space Telescope. This planet’s equatorial diameter is about 38 percent wider than its ...

It's far out, man – literally. Researchers have uncovered the most-distant celestial object in the solar system, a pink dwarf planet nicknamed "Farout," detect at a distance of more than 100 times ...

Astronomers have discovered a bizarre carbon-rich planet orbiting a neutron star, PSR J2322-2650b, with soot clouds and ...

Astronomers hunting for Planet Nine have found some 50 new objects lying beyond the orbit of Neptune – including a few that may help them track down this elusive, distant world. The new discoveries, ...

There are officially eight planets in our Solar System — yes, I know, Pluto was totally a planet, but not anymore — but that doesn't mean there isn't something lurking on the edge of our system that ...

The interstellar object 3I/ATLAS will reach its closest point to Earth this Friday, December 19, 2025. Ephemerides from the ...

Just because Pluto was ruled out as a planet in 2006 doesn’t mean our solar system only has eight planets. The search for Planet Nine is far from over as scientists continue to uncover clues ...

A newfound object nicknamed "The Goblin" lurking in the far reaches of our solar system could be yet another clue that points us toward the discovery of the theoretical Planet X, or Planet 9 -- a ...

Way past Pluto, the suspected Planet X creeps around the outer edges of our solar system. Nobody is sure whether this rumored ninth planet really exists, but astronomers have been hard at work ...