Somewhere out there, just maybe, an alien – probably stranger looking than in our wildest imagination – might be pondering this very question.
Stories like 'Romeo and Juliet,' 'Alice's Adventures in Wonderland' and 'Jane Eyre' are still relevant today.
There's really no reason you can't use binoculars to look into space – and in fact astronomers have been working on doing so for a long time.
Solar cells make electricity directly from sunlight, but how do they do it?
For most of the Victorian era, people thought it was normal for men and women to be treated differently, and judged by different standards.
Whistleblowers may stop bad behavior and protect others from harm.
Sweaty feet and certain cheeses have something in common that makes them reek – can you guess what it is?
Language can express some of the results of our thinking, but it's not the thinking itself.
The simple experiment of throwing a rock into water actually reveals some fundamental rules of physics.
Sometimes our brain gets confused and misunderstands what the eyes tell it.
A scientist explains how the brain works, for younger readers.
Stars begin their life inside very large, fluffy clouds of space dust and gas called nebulae.
Swallowing a lot of gum can cause it to stick together or stick to food in your gut.
Research suggest it's probably fine to listen to music while you're studying - with some caveats.
Your brain balances messages coming from lots of different places to help you see, imagine, remember and dream.
In baseball, a pitcher can throw a ball that seems to curve away just as it crosses the plate. How do they do it? It's all about aerodynamics.
The salt in the sea has built up over billions of years – but it wouldn't have got there without freshwater rivers and streams.
In some places, the ocean is almost 7 miles deep. Scientists exploring the ocean floor have found strange sea creatures, bizarre geologic formations and records of Earth's history.
Puberty can make us behave differently.
Light bulbs can turn electricity into light (and a bit of heat) – an expert explains how they do it.