Scientists are intrigued after spotting a highly unusual celestial object lurking at the very edge of our solar system. It's ...

Astronomers have discovered a mysterious dwarf planet, 2017 OF201, far beyond Pluto. This discovery challenges existing ...

Astronomers have discovered a new dwarf planet, named 2017 OF201, far beyond Pluto's orbit. It takes 25,000 years to orbit ...

The universe's vastness challenges human comprehension. It contains trillions of galaxies and countless stars. Pluto's ...

A new member of the solar system has been detected, the second-largest of its kind, suggesting there may be more like it ...

The newly discovered object, named 2017 OF201, has a 25,000-year orbit and is believed to be a large contender for dwarf ...

Here’s 11 ‘facts’ you were probably taught at school which were either never true in the first place or are no longer correct ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

The orbit of 2017 OF₂₀₁ is so extreme that we would not be able to detect the celestial body on 99 percent of its orbit. It ...

According to astronomers, the last time this planet came close to the Sun was in 1930. In the same year, Pluto was discovered ...

Hunting for the building blocks of life? Located in the asteroid belt, Ceres is likely a good bet, study finds ...

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...