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

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 ...

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 ...