Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

The discovery of 2017 OF201 is significant, as it challenges the hypothesis of Planet Nine, a hypothetical planet thought to exist in the outer Solar System.

In the cold, distant reaches of the Solar System, far beyond Pluto, astronomers have just identified what could be a new ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because ...

At the very edge of our solar system, beyond the grasp of Neptune and even past the icy sprawl of Pluto’s domain, a new ...

A distant, icy world has just been added to our solar system’s official roster, and its strange orbit might challenge one of ...

Beyond the vintage diners and roadside kitsch, Route 66 passes stunning natural attractions from Missouri caves to Arizona ...

Scientists believe such an extreme orbit means the object was pushed and pulled by the gravity of giant planets like Jupiter ...

In April, scientists captured global attention by announcing they'd found a molecule in a faraway planet's atmosphere that ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...