Subcategory

Space & Astronomy Riddles

Part of Science Riddles collection

Explore 226+ unique, interactive space & astronomy riddles puzzles.

Out-of-this-world riddles about planets, stars, black holes, galaxies, and astronauts.

Interactive Riddle Challenge

Showing Space & Astronomy Riddles riddles

The Werewolf Moon

When this moon phase appears, legend says ordinary people transform into wolves. What moon...

8,671 solved Space & Astronomy Riddles

The Orange Vine

I grow on a vine close to the ground. I start as a yellow...

10,806 solved Biology Riddles

The Marshmallow Roast

I am white, soft, and cylindrical. You stick me on a stick and hold...

19,706 solved Campfire Riddles

The Tower Builder

Using only spaghetti, tape, and string, your team must build the tallest freestanding structure...

10,119 solved Space & Astronomy Riddles

The Pipeline Build

Each person holds a half-pipe section. You must transport a marble from start to...

24,591 solved Space & Astronomy Riddles

The Silent Letter

I have a K at the start but you never hear it. I am...

1,284 solved Space & Astronomy Riddles

The Compound Word

I am made from two smaller words joined together: sun + flower, book +...

5,374 solved Biology Riddles

The Alliteration

Peter Piper picked a peck of pickled peppers. Every major word starts with the...

5,352 solved Pet Riddles

The Rainbow Promise

I appear when sunlight shines through rain droplets and splits into seven colors. I...

4,453 solved Physics Riddles

I create sparks when scraped with a steel striker. I can start a fire...

17,305 solved Space & Astronomy Riddles

The Night Navigation

In the Northern Hemisphere, I always point roughly north. I am the last star...

5,222 solved Space & Astronomy Riddles

I am a piece of cotton that has been partially burned in a tin....

19,614 solved Insect Riddles

‹ Prev
1
2
3
4
5
6
…
19
Next ›

PDF • Printable Riddles

Generate Printable Riddles PDF

Create custom PDF riddle activity books, kids classroom quizzes & brain teaser sheets with automatic answer keys in seconds.

Generate Space & Astronomy Riddles Riddles PDF →

🧠 Play Today's Riddle