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.
Why are there marine fossils at the top of Mount Everest?
Explorers keep finding marine life fossils at the top of Mount Everest. As weird as that sounds, there's a perfectly good reason why
The 17 worst ideas of the 21st century (so far)
Sorry, Google Glass
What's the deepest a submarine has gone?
Submarines have been diving deeper and deeper into the ocean's depths. Will we ever reach the bottom?
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Why do we still get major snowstorms in a warming world?
A huge US winter storm has reignited confusion about the polar vortex, the jet stream and what climate change really means for winter weather
Why sinking cities may now be a bigger climate crisis than rising seas
A hidden force is causing highly populated river deltas to sink. In many cases, the subsidence is happening faster than the sea is rising
The world's biggest 'doomsday vault' has now been opened. Here's what's inside
Scientists are racing to protect the world’s seeds from natural disasters and war. But what happens when those disasters come early?
Mosquitoes are becoming thirstier for human blood, study suggests
Habitat loss may be pushing mosquitoes towards human hosts with deadly consequences
Climate change has now shrunk US salaries by 12%. And worse is to come
No matter where you live, a new study has found warmer temperatures are picking your pocket
A deadly new wave of 'whiplash weather' is set to hit our biggest cities. Are we ready?
Weather patterns are see-sawing from one extreme to another faster and more frequently than ever before. And the phenomenon is coming to places you wouldn’t expect
The 7 most important (and weirdest) discoveries of 2025
Featuring an world-changing supercomputer, a potential HIV cure, and signs of life on Mars
The 8 strangest places in the Universe (including one on Earth)
Glass rain, anyone?
8 (very weird) animals that outlived the dinosaurs
Meet the 'living fossils' that give us a glimpse into life in the distant past
5 sustainability habits you think are helping the planet – but probably aren’t
Confusing and outdated messaging could be holding you back from being a keen, green, Earth-saving machine…
Try not to smile at these 5 feel-good science stories from 2025
When 2025 got a bit much, science stepped in with the good news we needed to hear
Climate change will soon make Earth's days longer. Here’s what that means for the planet
Two recent studies have shown that global warming is changing things in ways we couldn’t imagine
How deep can a penguin dive?
Penguins are skilled divers, transitioning from land to water with smooth movements. But what's the deepest a penguin can actually dive?
Only one country in the world produces all the food it needs. Here's why
While hundreds of millions around the world face food insecurity, a tiny South American nation has managed to become the only country that can entirely feed itself. How did Guyana manage it?
How whales, vodka and volcanic ice blocks could soon solve the carbon crisis
From living paint to injecting rocks, scientists have bizarre carbon capture ideas that could help us tackle the climate crisis
Major ‘megafires’ are now primed to ignite across the US. All it needs is a spark
The US is a tinderbox, just waiting to go up in flames
Massive volcanic eruptions may have actually caused the Black Death
New research suggests that a combination of volcanic activity, cold summers and famine brought the deadly plague to Europe
Massive climate-induced earthquakes are brewing beneath our biggest cities. Are we prepared?
Climate change isn’t just warming the planet; it’s shaking Earth’s foundations
Was the sea always blue?
Several billion years ago, tiny little creatures may have changed the colour of the ocean
Scientists may have just found a new way to hunt for aliens
A brand new technique is uncovering Earth’s oldest secrets, and could soon be turned to the stars
The 25 most powerful ideas of the 21st century (so far), picked by the world’s top thinkers
We asked the world's foremost minds to highlight some of the game-changing scientific breakthroughs shaping our world since the year 2000