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

Oumuamua is the first known interstellar object to enter our solar system, sparking debate with its strange shape, speed, and ...

A new memorandum has firmed up China and Russia's intent to lead the construction of a new lunar base to be completed by 2036, as NASA talks about scaling back its own lunar ambitions.

WASHINGTON >> Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels ...

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

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

For instance, Neptune migrated outward, switching places with Uranus, and pushed a lot of the small, icy bodies into the ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

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

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural ...

State lawmakers are getting closer to a vote on a bill that would, once again, change the way owners of rooftop solar power ...

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