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Twinkle, twinkle, giant stars! Pairs of so-called ‘heartbeat’ stars change their brightness like the rhythm of a beating heart. For the first time, new models show that they also create gigantic waves.

Space is huge. But exactly how huge are the spaces between the Sun, Moon and planets? Find out by making a scale model of the inner solar system at your nearby park!

With this quiz, everything is looking up! Can you dazzle us with a stellar 5/5?

If good things come to those that wait…then these bold oldies are gold! Do you have the patience and wisdom to top this quiz or will you need to wait for the next one?

What caused the dinosaurs to go extinct 66 million years ago? Most scientists think an asteroid impact sealed their fate. But others think massive volcanic eruptions in India did the job. Now, scientists from Europe have used chemistry to support the asteroid theory and they can even say where the asteroid came from!

Meet Aurora Foo: when a natural disaster strikes, she’s helping the helpers. Her job is assisting situation rooms and command centres around the country!

On 11 July, Australian scientists made a super-fast connection with a satellite. This feat of engineering required the team to aim a laser up in space at a receiver built into the back of a ute.

Would you like to help satellites keep an eye on Australian water quality? This hands-on activity shows you how! Through the EyeOnWater app, you can help CSIRO scientists match satellite data to photos of the water in your neighbourhood!

Look out! This quiz is meant to shake you up… unless of course you can rise like a tsunami and score a 5/5.

Bathymetry is the study of the ocean floor. And it creates a lot of maps! These maps record the changing depths of the ocean and are often beautiful to look at. Why not make your own?