Researchers Nathan A. Kaib and Sean N. Raymond have evaluated how passing stars can affect the long-term stability of the ...

Learn how a possible ninth planet, the theoretical Planet X, could have acquired its wide orbit in the outer Solar System — a ...

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

There’s a new object in the distant reaches of our solar system, and it might just offer clues to a long-standing cosmic ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

But this assumes that nothing affects the Solar System in the meantime, and that is not a certainty. As we travel around the ...

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

Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

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

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

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the ...

Researchers Nathan A. Kaib and Sean N. Raymond have evaluated the impact of passing stars on the long-term stability of the ...