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

NASA’s most recent photos of Pluto, captured by the New Horizons spacecraft, have revealed some of the most intriguing and ...

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.

James Webb Space Telescope observations suggest Pluto’s atmosphere is unlike any other in the solar system, confirming a 2017 ...

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

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

Thanks to the powerful vision of NASA’s James Webb Space Telescope (JWST), scientists have just confirmed something truly ...

The first observations of Pluto by NASA's James Webb Space Telescope (JWST) reveal dramatic phenomena on its surface, like ...

Scientists have identified a new minor planet beyond Pluto, enhancing our knowledge of the solar ... 820 kilometres (approximately 290 to 510 miles), placing it amongst known dwarf planets and ...

It includes dwarf planets like Pluto and thousands of smaller icy bodies. Scientists are intrigued by its peculiar structure: while it spans a great distance, it is surprisingly empty in some areas ...

The new object is one of the most distant visible objects in our solar system. Astronomers have indeed discovered a potential new dwarf planet in the outer reaches of our solar system, far beyond ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...