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space shuttle

How many planets have been discovered?

Question

How many planets have been discovered?

So far we've found thousands of exoplanets, and this number is rising fast.
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

Definition

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

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Exotic fifth state of matter made on the International Space Station

Space

Exotic fifth state of matter made on the International Space Station

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Einsteins Unfinished Revolution

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

Culture

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

Humans

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

Culture

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

Space

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

Nobel prizewinner Jim Peebles introduced dark matter and dark energy into our standard model of the cosmos – but that is only an approximation to a deeper truth, he says.

Features

Definition

Gravity

Space

NASA and SpaceX launch astronauts into new era of private spaceflight

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Space

The Milky Way may have been shrunk down by ancient magnetic fields

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Space

Why it's better to fall into a big black hole, and other bizarre facts

Features

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