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The four puzzles that tell us a cosmological revolution is coming

Space

The four puzzles that tell us a cosmological revolution is coming

A century ago, we missed the loose threads that told us our picture of the universe would unravel. Let’s not be so complacent now, says cosmologist Dan Hooper

Features

Hope spacecraft

Space

The United Arab Emirates is launching its first mission to Mars

News

Elements from the universe’s earliest stars gave birth to our sun

Space

Elements from the universe’s earliest stars gave birth to our sun

Comment

How many planets have been discovered?

Question

How many planets have been discovered?

Star

Space

Alien civilisations could move their star to avoid a cosmic disaster

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Is there another planet in the universe just like Earth?

Space

Is there another planet in the universe just like Earth?

Culture

Sectioned fragment from an iron meteorite that caused the Odessa crater in Texas, US, about 50,000 years ago

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Iron meteorites

The Sirens of Mars review: Inside the hunt for life on the Red Planet

Space

The Sirens of Mars review: Inside the hunt for life on the Red Planet

Culture

Some hot giant planets get larger as they are heated by their stars

Space

Some hot giant planets get larger as they are heated by their stars

News

Exotic fifth state of matter made on the International Space Station

Space

Exotic fifth state of matter made on the International Space Station

An instrument on board the International Space Station contains one of the coldest places in the universe, and researchers have used it to create a cloud of frozen atoms

News

10 of the best non-fiction science books to read right now

Culture

Humans

Bored in lockdown? Try a guide to the science of this familiar state

Culture

Space

Why the universe I invented is right – but still not the final answer

Features

Definition

Gravity