Galileo Galilei made an important discovery ... and helped him gather evidence for one of the most fundamental theories about our Solar System (which we will come onto a bit later).

On April 23, NASA’s Advanced Composite Solar Sail System, or ACS3 ... “In 1608, he wrote a letter to his friend Galileo Galilei: ‘Provide ships or sails adapted to the heavenly breezes ...

Out of all the planets in our solar system beyond Earth, most consider Saturn’s beauty to be the most spectacular, with a set ...

Four hundred years ago, Italian astronomer Galileo Gaililei unveiled his newest innovation: a 3x telescope. This would enable him to prove a theory that would have profound impact on humanity: the Sun ...

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...

four of the 95 natural satellites around the Solar System’s largest planet. Discovered by Galileo Galilei in 1610, Io, Callisto, Europa and Ganymede are proving to be fascinating topics of study ...