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

The robotic Tianwen-2 spacecraft will collect samples from Kamoʻoalewa, which some scientists suspect is a fragment of the moon.

Astronomers have discovered a mysterious new object in our Milky Way, which is emitting X-rays and radio waves at the same time.

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.

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 ...

The mystery object, known as ASKAP J1832- 0911, is located within the Milky Way about 15,000 light-years away from Earth.

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

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.

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 ...