When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

There are thousands of known exoplanets, many of which are too dark to directly see, but scientists have made a 3D map by ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...