For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

Scientists have painted a scary scenario for the solar system, where one passerby might trigger the death of every planet, ...

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

But according to Dr. Brown, more than 100 other solar system bodies are likely to ... they determined that the elliptical orbit was oriented in a different direction. “And then we realized ...

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

Billions of years from now, the Sun will swell into a red giant, swallowing Mercury, Venus, and Earth. But that’s not the ...

Scientists have discovered a colossal object approximately 435 miles wide in the frigid outer reaches of our solar system, ...

They said: ‘The discovery of 2017 OF201 is significant because it’s found in a region of the Solar System thought to be empty ...

Solar storms have the potential to cause catastrophic damage. One that occurred around the end of October 2003 (now called ...

New research on the orbits of these mysterious asteroids near Venus stress the need for better space rock surveillance.