A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the ...

WASHINGTON (Reuters) -Astronomers have spotted a star acting unlike any other ever observed as it unleashes a curious ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the ...

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