Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the ...

In 2018, for example, it was announced that there was a new candidate for a dwarf planet orbiting the sun, known as 2017 OF201. This object measures around 700km across (Earth is roughly 18x ...

Astronomers have long speculated about the existence of a mysterious planet lurking far beyond Neptune, a world several times larger than Earth whose gravity could be shaping the outer reaches of our ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

Find out why "Planet Money" is on TIME's list of the 100 best podcasts of all time.

Henrry Antunez-Avarado, 25, has been accused of attempting to burn down a Planet Fitness in Sarasota while naked and treating the gym as a playground.

“BOYS II PLANET K” and “BOYS II PLANET C” were originally intended to air as two separate audition programs, with each show debuting its own boy group.

a dwarf planet called 2017 OF201. A dwarf planet is an object large enough that its gravity squishes it into a round shape, but not large enough to ‘clear the neighbourhood’ of other celestial bodies.

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...