Fun Facts

All you need to know about Mercury: fun facts, color and size, temperature swings, day length, and practical tips to spot it in 2026.

Where is Saturn tonight? See when Saturn is visible, where to look in the sky, what it looks like to the naked eye, and how to find it from your location.

See when Venus is visible in 2026, how to find it in the sky, and why it shines so brightly. Learn key facts and upcoming events featuring Venus.

Get a clear picture of Jupiter: how it looks to the naked eye and with optics, when to see it in the sky in 2026, what it’s composed of, and what makes this gas giant special.

What is Uranus? Learn facts about its size, rings, moons, rotation, and cold atmosphere. Also, explore Uranus’ upcoming events!

Why does Mars look red? How big is it? Can you see it tonight? Discover Mars facts, get visibility tips, and learn about upcoming sky events.

Here’s everything you need to know about Apophis, the massive asteroid once predicted to crush into the Earth. 😱 See if you should cancel your plans on April 13, 2029 (and later).

Meet the three official dog constellations, the Dog Star Sirius and its Pup, a dog-bone asteroid, and the dogs who pioneered high-altitude and orbital flight.

Answer 20 true-or-false questions about solar and lunar eclipses. Check the answers and discover surprising facts about these celestial events.

Can solar eclipses be seen from the Moon? When was a solar eclipse first recorded on video? Test your knowledge of solar and lunar eclipses with this quiz.