Planet Earth

Could the ocean ever become too salty for life to exist? © Getty Images

Could the ocean ever become too salty for life to exist?

GettyImages-687774987

Is it better for the environment to be buried or cremated?

We’re still learning about how Earth works © Getty Images

The Earth’s magnetic field reverses more often – now we know why

Who really discovered continental drift? © Alamy

Who really discovered continental drift?

Why does the UK get earthquakes when it's a long way from a fault line? © Getty Images

Why does the UK get earthquakes when it’s a long way from a fault line?

How do large clouds stay in the air if they can weigh tonnes? © Getty Images

How do large clouds stay in the air if they can weigh tonnes?

If we were able to dig through the Earth, at what point would you stop digging down and start digging up? © Getty Images

If we were able to dig through the Earth, at what point would you stop digging down and start digging up?

Science Focus Podcast: Solving the plastic problem © Getty Images

Solving the plastic problem – Mark Miodownik

How nature can help you predict the weather © Getty Images

How nature can help you predict the weather

Why isn't the Earth a perfect sphere? © Getty Images

Why isn’t the Earth a perfect sphere?

Arctic sea ice above North America, viewed over the Beaufort Sea © Getty Images

Watching the climate change

Planet Earth's fertility problem © Getty Images

Planet Earth’s fertility problem

Why is there a ‘wind chill factor’ in weather forecasts? © Getty Images

Why is there a ‘wind chill factor’ in weather forecasts?

Do London plane trees actually absorb pollution into their bark? © Alamy

Do London plane trees actually absorb pollution into their bark?