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telescope

Space

Arecibo Observatory telescope in Puerto Rico collapses after 57 years

The Arecibo Observatory telescope in Puerto Rico has collapsed, just weeks after the US National Science Foundation revealed plans to decommission the 57-year-old structure

News

Astronauts

Space

NASA can't decide whether astronauts should wash their underwear

News

China's Chang'e 5 probe is the start of a new era of lunar exploration

Space

China's Chang'e 5 probe is the start of a new era of lunar exploration

Leader

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

Space

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

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

From November to February, the Orion Nebula can be seen with the naked eye. But with a pair of binoculars you can get a much more detailed view, says Abigail Beall

Regulars

Environment

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

Features

Space

Asteroid-munching microbes could mine materials from space rocks

News

Space

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

Comment

Space

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

Culture