A sweeping new ICE operation shows how Donald Trump’s focus on immigration is reshaping federal law enforcement.

A newly detected planet beyond Pluto is not just expanding our understanding of the Solar System, it might be quietly rewriting it. Astronomers from the University of Taiwan recen ...

For the unversed, "Planet Nine" is a hypothetical planet which is reportedly larger than Earth that is thought to orbit ...

As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...

Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the ...

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.

The universe is a complete unknown to humans. We are not yet able to control and understand the system in which Earth is located, as evidenced by the possible discovery made by a g ...

Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist ...

Scientists have identified an object about 700km wide inhabiting the frigid outer reaches of our solar system that might ...

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets.

Scientists say a new planetarium show about the Milky Way has helped them unlock one of the solar system’s many secrets ...

Scientists searching for evidence of life beyond Earth say a newly discovered planet could be ... the US space agency's New Horizons spacecraft found evidence that Pluto may have a huge ocean ...