The Milky Way: a pattern of stars, or a pattern of gaps? Luke Busellato/Wikimedia Commons

Why do different cultures see such similar meanings in the constellations?

Around the world and throughout history, we find remarkably similar constellations defined by disparate cultures, as well as strikingly similar narratives describing the relationships between them.

Analysis and Comment

Why isn’t Australia in deep space?

Australia played a vital role in beaming the Apollo 11 Moon landing to the world. But since then we've passed up the opportunity to cement our place in exploring outer space.

How big is the Moon? Let me compare …

Just 12 people have walked on the Moon and they'll know better than anyone just how big (or small) the place is. But we can make some comparisons with things on Earth to get a measure of the Moon.

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Research and News

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Year of the elements

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Curious Kids

Curious Kids: what makes an echo?

When a sound is made, it spreads. And when it hits a hard surface that is far away, it bounces back and comes back to where the sound was made. That's what we call an echo.

Curious Kids: What is dew?

When water turns from a gas into a liquid, it forms droplets. Whether those droplets are dew or rain depends on where the droplet forms.

Curious Kids: why do we have a drought?

We can't make it rain. But you are already helping if you don't use more water than you need. And you can talk to your parents about the planet getting warmer, because the heat makes drought worse.

Curious Kids: why are burps so loud?

As gas from your stomach comes up your food pipe, it makes the surface of the upper part of your oesophagus rattle and vibrate. It is a bit like windows that rattle during a windy storm.

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50th anniversary of Moon landing

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