NASA’s dedicated exoplanet hunter, the Kepler space telescope, has turned up five new planets. One of the planets is bigger than Jupiter but as light as styrofoam, and the findings only get crazier.

New model helps to figure out which distant planets may host life 5th planet found orbiting nearby star may lie in habitable zone And the oddities of KELT-11b don't stop there.

How to get free Lego for World Play Day. Build a Planet model at participating stores and take it home with you for free.

Fifth-graders making styrofoam solar system models may have the right idea. Researchers at Lehigh University have discovered a new planet orbiting a star 320 light years from Earth that has the ...