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 ...

Of the roughly 6,000 exoplanets we’ve discovered, a significant number are in the apparent habitable zones of their stars.

The record itself includes instructions on how to play it, and anyone who did would find 115 images including information intended to show what ... reaches of the solar system (Getty) It was ...