Less than 1% of this dwarf planet candidate's orbit is close enough to detect, which means astronomers are lucky to have ...

WASHINGTON: A group of scientists has found a strange new object about 435 miles wide at the far edge of the solar system. It ...

The researchers said 2017 OF201 was identified in observations by telescopes in Chile and Hawaii spanning seven years.

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

The object’s aphelion the farthest point on the orbit from the Sun is more than 1,600 times that of the Earth’s orbit,” said ...

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

Earth has a new neighbor that lives far, far away. Scientists from the Institute for Advanced Study's School of Natural ...

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

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

Warner Bros. Discovery (WBD) credit rating drops to junk status in Q1 due to revenue falling short of expectations, and there ...

Scientists are intrigued after spotting a highly unusual celestial object lurking at the very edge of our solar system.