Photos and videos of astronauts on the ISS show them floating around, but saying there's zero gravity isn't fully accurate.

Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.

Group Captain Shubhanshu Shukla, India's first astronaut to travel to the International Space Station (ISS) as part of the Axiom-4 mission, is winning hearts online with his engaging space lessons.

When you buy through links on our articles, Future and its syndication partners may earn a commission. This image of Pluto was made after the New Horizons spacecraft flew past the dwarf planet on July ...

By 2030, the iconic ISS – where the world's astronauts have lived, worked and gazed upon the cosmos for more than two decades ...

The first artificial satellite put into orbit was Sputnik I. It was launched by the Soviet Union in 1957, more than 10 years before the U.S. put a man on the moon. It was only about the size of a ...