The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century ...

A very rare treat is about to grace Earth's night skies.

A cosmic spectacle is unfolding overhead, with a rare parade of planets turning the night sky into a celestial stage in January and February 2025. The new year kicked off with seven planets ...