But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit circumnavigates the sun once every 25,000 years, taking it ...

Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have ...

2017 OF201 is a roughly spherical body about 435 miles (700 kilometers) in diameter, lurking beyond Neptune's orbit. A team of ... as its fellow dwarf planet Pluto. Based on the newfound object's ...

This means that it orbits the Sun further away than Neptune. Actually ... and it indicates just how big this TNO’s orbit is. With a diameter a third of Pluto's, it is incredible that it has ...

There could be a ninth planet in our Solar System after all — and no, it’s not Pluto. Instead, it’s the theoretical Planet X, also called Planet Nine, a wide-orbit planet that would circle the Sun ...

The TNO is potentially large enough to qualify as a dwarf planet, the same category as the much more well-known Pluto ... orbit the sun at a greater average distance than the orbit of Neptune.

Pakistan, May 27 -- Astronomers have discovered a new dwarf planet, named 2017 OF201, far beyond Pluto's orbit ... been flung into this orbit by a giant planet like Neptune or Jupiter.

Astronomers have discovered a new dwarf planet, named 2017 OF201, far beyond Pluto’s orbit ... may have been flung into this orbit by a giant planet like Neptune or Jupiter.

Astronomers have identified a new trans-Neptunian object, 2017 OF201, located far beyond Pluto ... perspective, Neptune orbits at approximately 30 AU. This enormous elliptical orbit makes 2017 ...

Astronomers have long known that the innermost planet’s orbit ... Pluto. In the absence of passing stars, Kaib says, Pluto was thought to be safer than Earth, even though Pluto cuts across ...