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cpr in zero gravity

Space

How-to guide for CPR in space may help treat astronaut cardiac arrest

Nobody has experienced cardiac arrest in space yet, but such a medical emergency might occur in future – and now we have some tips for how to handle the problem

News

astronauts

Space

SpaceX is about to send four astronauts to the ISS for six-month stay

News

The Orion Nebula is now visible in the sky - here’s how to find it

Space

The Orion Nebula is now visible in the sky - here’s how to find it

Regulars

How are sand dunes formed and why do they even exist?

Environment

How are sand dunes formed and why do they even exist?

Features

Asteroid-munching microbes could mine materials from space rocks

Space

Asteroid-munching microbes could mine materials from space rocks

News

Why the vast emptiness of space isn't really that empty after all

Space

Why the vast emptiness of space isn't really that empty after all

Comment

We can harness the solar wind to sail to the farthest corners of space

Space

We can harness the solar wind to sail to the farthest corners of space

Features

Carlo Rovelli’s new book: Eclectic essays on physics, history and more

Space

Carlo Rovelli’s new book: Eclectic essays on physics, history and more

Culture

Carlo Rovelli: Where does the stuff that falls into a black hole go?

Space

Carlo Rovelli: Where does the stuff that falls into a black hole go?

Culture

Two old spacecraft just avoided catastrophically colliding in orbit

Space

Two old spacecraft just avoided catastrophically colliding in orbit

A defunct navigation satellite and an old rocket booster have narrowly avoided a collision. If they had hit each other, it would have created two orbiting clouds of hazardous shrapnel that could threaten other satellites

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Earth

International Space Station image shows beauty of the world's oceans

Regulars

Space

Space rock Arrokoth may have been flattened by the heat of the sun

News

Life

Missions to confirm signs of life on Venus are already in the works

News

Space

To understand signs of life on Venus we must do chemistry on Earth

News