The first Martian might just be a human being.
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Articles on Earth
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Kepler-452b is sometimes called 'Earth 2.0', but there's a lot we still don't know about it.
Of all the planets in the solar system, there’s a reason we call Earth home. It’s made of just the right stuff. It’s not too small, or too big, or too hot or too cold. It’s just right.
This hot, acidic neighbor with its surface veiled in thick clouds hasn't benefited from the attention showered on Mars and the Moon. But Venus may offer insights into the fate of the Earth.
Satellites monitor climate change, guide people with GPS and keep us connected through texts and social media, but they're under threat.
While the world gathers to see an eclipse, what's the rest of nature doing?
An expert explains all the wonderful ways the atmosphere protects life on Earth.
Layers of rock provide a historical record of variations in the Earth's orbit, revealing information about the planet's climate billions of years ago.
An expert responds to a teenager who wants to know – is there any hope for humanity's future?
All the buildings and the cars and the restaurants, and the phones and even everything that's inside of you... it all started with an exploding star, billions of years ago.
Even if we can prevent a global warming apocalypse, our planet won’t be safe forever – the sun will one day expand. So should we try to move the Earth to a wider orbit?
It's hard to believe, but big storms and hurricanes are caused by tiny particles moving around in the atmosphere.
Giant forces slowly move continents across a viscous layer of the Earth, like biscuits gliding over a warm toffee ocean. This stresses the continents, and twists and contorts the crust.
The source of water on Earth, the Moon and planets in our solar system is hotly debated. Some in the planetary science community argued that it came from asteroids and comets. Now they have proof.
By studying old and dead stars, we can discover what will happen to our sun in the far, far future. And it won't end with a big explosion.
Exoplanet discovery can help us work out how the Earth will end its days.
Meteorites might look like boring bits of rock – but each one has a fascinating story.
Growing evidence suggests that the extinction of the dinosaurs involved profound, complex and interconnected changes to the global systems that support life. Much like we are facing today.
A psychologist explains why we should accept that we will never live in the Anthropocene.
Newly found fossils point to a link between a rise in atmospheric oxygen and the first emergence of complex life on Earth.
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