The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
People in the northern hemisphere will be able to see Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars during the planetary parade. The next full moon will happen on Feb. 12. Known as the ...
An unidentified interstellar object, possibly eight times Jupiter’s mass, may have disrupted the solar system’s planets.