Scientists say a new planetarium show about the Milky Way has helped them unlock one of the solar system’s many secrets.

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

NASA’s most recent photos of Pluto, captured by the New Horizons spacecraft, have revealed some of the most intriguing and ...

A sweeping new ICE operation shows how Donald Trump’s focus on immigration is reshaping federal law enforcement.

Astronomers have identified a new trans-Neptunian object, 2017 OF201, located far beyond Pluto. Its enormous size, comparable ...

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

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond Neptune, it orbits the sun every 25,000 years.

The discovery also challenges many ... has previously been thought of as fairly empty. NASA's New Horizons probe, which snapped pictures of Pluto and its moons in 2015, has since more than doubled ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

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

The new object is one of the most distant visible objects in our solar system. Astronomers have indeed discovered a potential new dwarf planet in the outer reaches of our solar system, far beyond ...