Online chatter and a frenzy of media coverage has tended to make a big deal of allegedly rare "planetary alignments" and "planet parades" gracing our night skies. The hoopla has culminated this ...

A new habitable planet that orbits a sun-like star been discovered by scientists. The exoplanet, a planet outside our solar system, was originally discovered two years ago by Oxford University ...

It's not too late to see the planet parade. Stargazers will be able to see four or five planets in the night sky with their naked eye this month. A rare seven-planet alignment will reportedly be ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...