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

There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes.

Astronomers have discovered a strange new object in our Milky Way galaxy. The celestial object is emitting X-rays around the ...

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

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