one of the researchers who first suggested that a big planet could be the culprit that was messing with the orbits of some small solar system bodies. "Vera Rubin is our best bet to find it in the ...

Astronomers claim they've found the most promising signs of possible life on a planet outside of our solar system.

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

The observatory will be a game-changer in the hunt for Planet 9, agrees Scott Sheppard of Carnegie Science, one of the researchers who first suggested that a big planet could be the culprit that was ...