A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

Our solar system is the only one known to have life inside. While scientists are searching for water in other planets, a new ...

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.

OF201 is incredibly lightweight on a cosmic scale. Scientists estimate its mass is about 20,000 times less than Earth’s and ...

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 ...

Stay informed with the latest breaking news from Afghanistan. Politics, business, sports, and culture updates in English – all in one place.

Stay informed with the latest breaking news from Afghanistan. Politics, business, sports, and culture updates in English – all in one place.

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

While astronomers continue to search for the mysterious "ninth planet”, a possible giant hidden in the extremities of the ...