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

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

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 ...

Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary ...

In the dark realms of space, about 14,700 light-years away, an unusual object is doing something unexpected. And it's leaving ...

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

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

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

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 ...