A newly identifiedplanetary system is forcing astronomers to rethink how worlds form and evolve, as a rocky planet appears where no such object should exist, according to a study published in Science.

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

When a hunk of ice from another star system hurtles through our cosmic neighborhood, astronomers pay attention. When that ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The giant metallic cloud ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Created by the solar wind — ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf star from view, after it drastically dimmed a sun-like star for around nine ...