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Salt flats on Europa mean moon's ocean may come to surface

Space

Salt flats on Europa mean moon's ocean may come to surface

Jupiter's icy moon is a favourite of alien-hunters, thanks to its buried ocean. Now it seems the ocean could come to the surface – and it might be life-friendly

News

Exploding stars could be lit by hearts of dark matter

Space

Exploding stars could be lit by hearts of dark matter

News

Could cosmic megastructures be intruders from another world?

Space

Could cosmic megastructures be intruders from another world?

Features

Top astronomers must take the lead in fight against sexism

Top astronomers must take the lead in fight against sexism

Comment

Astronomer Geoff Marcy resigns over sexual harassment cases

Life

Astronomer Geoff Marcy resigns over sexual harassment cases

News

Pufferfish planets could explain how hot Jupiters get so big

Space

Pufferfish planets could explain how hot Jupiters get so big

News

China has had a telescope on the moon for the past two years

Space

China has had a telescope on the moon for the past two years

News

Top exoplanet hunter keeps job despite serial sexual harassment

Life

Top exoplanet hunter keeps job despite serial sexual harassment

News

Lake once filled the crater on Mars where Curiosity rover sits

Space

Lake once filled the crater on Mars where Curiosity rover sits

News

New Horizons shows Pluto sporting blue skies and red water ice

Space

New Horizons shows Pluto sporting blue skies and red water ice

The latest images from the New Horizons probe uncover surprising details about the dwarf planet's colours – and how the sky and the ground are connected

News

Technology

How I'm going to photograph a black hole

Features

Physics

General relativity at 100: The missing piece of the jigsaw

Features

Earth

Total eclipse glowing over icy pyramids wins photo prize

Regulars

Space

Citizen scientists catch cloud of comets orbiting distant star

News