Space & Astronomy

Mercury isn’t the hottest planet in the solar system, even though it’s closest to the Sun. See 6 real facts about this extreme little world.

Jupiter could fit more than 1,300 Earths inside it. See 6 real facts about the solar system’s largest gas giant.

Venus spins backwards and its day is longer than its year. See 6 real facts about the hottest planet in the Solar System.

Saturn’s rings are less than 1 km thick across most of their reach. See 6 real facts about the ringed planet and its moons.

Comets grow two distinct tails and some take thousands of years to orbit the Sun once. See 6 real facts about these icy visitors.

What life on the ISS is really like, why it’s retiring after 2030, and what comes next for the International Space Station. Full guide.

A complete guide to NASA’s Artemis mission: what’s already flown, why Artemis III changed course, and when humans really return to the Moon.