Planet Earth

Mother Earth, Gaia, the third rock from the Sun - whatever you call it, this 4.5 billion-year-old planet is the one that we and all known living creatures call home.

Ocean Pharmacy - thumbnail

Underwater pharmacy: Meet the scientists raiding the ocean’s medicine cabinet

Everything you wanted to know about cuttlefish

Everything you wanted to know about cuttlefish

What is a fogbow? © Alamy

What is a fogbow?

What’s the environmental impact of cigarette butts? © Getty Images

What’s the environmental impact of cigarette butts?

What is a squall line? © Alamy

What is a squall line?

London, UK, city skyline at sunset, showing the River Thames with Tower Bridge

UK heatwave: Are these searing temperatures the future of summers in the UK?

What is a tornado and how does it form? © Getty Images

Tornadoes: Everything you need to know

How did dinosaurs sleep? © Getty Images

How did dinosaurs sleep?

How do I see noctilucent clouds? © Getty Images

How do I see noctilucent clouds?

What is ball lightning? © Alamy

What is ball lightning?

What is a velvet worm?

What is a velvet worm?

geothermal thumb

Welcome to Devil’s Valley: The world’s oldest geothermal power plant

How is coal formed? © Getty Images

How is coal formed?

This a photo of a meteorite and a Moonbow around a Hunter's Moon. A moonbow is technically known as a 22º moon halo. The 22º Moon Halo is formed when moonlight passes through ice crystals in the atmosphere and are refracted approximately 22º.

Moonbows: 8 stunning photos of the rare night sky phenomenon

A school of small black fish swimming through microplastic particles in ocean water

Robot fish could solve the ocean’s microplastic pollution problem