According to NASA, four to five planets being visible across the sky at the same time happens only once every few years.

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

Mercury is the closest planet to the Sun, residing just 36 million miles ... Agency’s BepiColombo probe has taken the most detailed photos of the first planet ever. Canada announces retaliatory ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...