BIG WHAT-IFS
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What Happens If the Sun Explodes?
What would happen to Earth, and how quickly would we know something had changed?
Find out what happens →CURIOUS QUESTIONS. CLEAR ANSWERS.
What happens if...?
From everyday problems to the really big questions, explore what happens next — and why.
Cars, homes, travel, work and the world around us.
EXPLORE BY TOPIC
What are you curious about?
Choose a subject and start exploring what happens when things change, go wrong or take an unexpected turn.
Big What-Ifs
Explore the strange, enormous and fascinating questions about our world and beyond.
Explore questions →Cars & Driving
Breakdowns, maintenance, finance and the things that can happen on the road.
Explore questions →Home & Property
Pipes, roofs, repairs and the everyday problems that can affect your home.
Explore questions →Travel
Flights, connections, delays and what to expect when a journey doesn't go to plan.
Explore questions →Work & Employment
Jobs, pay, retirement plans and what happens when your working situation changes.
Explore questions →START EXPLORING
Questions worth asking
Some are practical. Some are enormous. They all start with the same simple question.
CARS & DRIVING
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What Happens If You Don't Change Your Engine Oil?
See how old oil affects wear, heat, performance and the life of an engine.
Find out what happens →
HOME & PROPERTY
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What Happens If Your Pipes Freeze?
Understand what freezing water can do inside your plumbing and what can happen next.
Find out what happens →
TRAVEL
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What Happens If You Miss Your Flight?
What happens to your ticket, your onward travel and your options at the airport?
Find out what happens →MORE THAN A QUICK ANSWER
See what happens next.
We start with the short answer, then explain the chain of events clearly — including the details that can change the outcome.
01
The short answer
Get the important answer first without searching through paragraphs to find it.
02
What happens next
Follow the consequences step by step and understand why they happen.
03
Change the scenario
Where useful, interactive tools let you explore how different circumstances can change the answer.
THERE'S ALWAYS ANOTHER QUESTION
Wondering what happens if...?
Start with a category and see where your curiosity takes you.