When you look up at the vastness of space you can see hundreds, thousands and even millions of years into the past.
At the end of the day, the problem is that no-one on Earth wants nuclear waste stored near them, and it's not safe or cost-effective to blast it into space.
Whatever your age, whatever your favourite topic -- space, animals, nature, physics, how bodies work -- we've got a Curious Kids article for you.
Fifty years ago people saw our planet from the outside for the first time.
Apollo 8 was the moment that humanity realised a dream conceived in our cultural imagination over two millennia ago.
A bright comet visible in December provides an excellent viewing opportunity for night sky lovers – even potentially with the naked eye.
The headquarters of the Australian Space Agency will be in Adelaide. So how did we get to this point? Here are ten essential reads to fill you in.
Long ago in the distant past, our entire Universe was microscopic – just like an atom – and obeyed completely different rules of cause and effect.
There are probably more than a million planets in the universe for every single grain of sand on Earth. That's a lot of planets. My guess is that there probably is life elsewhere in the Universe.
Are there stars other than the Sun that might explode soon close to us? Yes, there are! As long as by 'soon' we mean within a million years.
There are lots of places where it's much, much hotter than the Sun. And the amazing thing is that this heat also makes new atoms - tiny particles that have made their way long ago from stars to us.
These school holidays, check out the podcast Imagine This, a co-production between ABC KIDS listen and The Conversation. And comb through our Curious Kids series.
Our brain cells do look a lot like a map of the universe – but that doesn't mean they're the same thing.
The career arc of Nichelle Nichols – the first black woman to have a continuing co-starring role on TV – shows how diverse casting can have as much of an impact off the screen as it does on it.
"Sometimes I've believed as many as six impossible things before breakfast." To understand the universe, we need more Mad Hatter mathematicians.
Anish Kapoor made “Cloud Gate”, a giant bean-shaped mirror in Chicago. Visitors play with the light in the city and its surroundings, where our future lays.
We are in the Milky Way. If you travelled on an extremely fast spaceship for more than two million years, you would reach our neighbour, the Andromeda galaxy. All other galaxies are even further away.
The moon is our closest neighbour and our best hope for building capacity to explore space.
Space mining has the potential to provide a greater supply of resources either for being exploited locally for construction or being sent back to earth.
A new name on a few military badges doesn't imply an escalating arms race.