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The universe is expanding too fast, and that could rewrite cosmology

Space

The universe is expanding too fast, and that could rewrite cosmology

Different measurements of the Hubble constant, the rate of space-time expansion, refuse to agree – meaning we may have to look beyond Einstein’s theories to explain the universe

Features

star and protoplanetary disc

Space

We’ve seen a planet being born while its star is still forming

News

magnetar

Space

Repeated radio bursts from nearby star suggest such signals are common

News

LED satellite

Space

Satellites with flashing LEDs could help avoid catastrophic collisions

News

cpr in zero gravity

Space

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

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

Space-time may seem empty, but the expanse between stars is filled with more interesting stuff than you may think, writes Chanda Prescod-Weinstein

Comment

Space

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

Culture

Space

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

Features

Space

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

Culture

Space

Two old spacecraft just avoided catastrophically colliding in orbit

News