Astronomers have just discovered a new celestial body in our solar system that could challenge major space theory. 2017 OF201 ...

Located 15,000 light-years away in a region of the Milky Way brimming with stars, gas and dust, this object could be a highly ...

A planet twice the size of Jupiter has been confirmed in Nu Octantis. Its retrograde orbit and origin raise new questions about planetary formation in binary systems.

Cheng, together with graduate students from Princeton University, discovered the potential dwarf planet while searching for ...

Astronomers confirm the existence of small, hot and likely rocky planets by observing the subtle gravitational wobbles of the star they orbit Researchers supported by the U.S. National Science ...

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

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

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

Scientists suggest a star and its planet are orbiting a second star in two opposite directions in an exotic binary star ...

Scientists have discovered a mysterious new object far beyond Neptune, and it could be one of the most distant dwarf planets ...

Scientists had previously believed that no celestial bodies existed in the vast, empty section of space beyond Neptune.

In a thrilling development that challenges long-held assumptions about the outer reaches of our solar system, astronomers ...