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Emission nebula Sharpless 2-106

Physics

The ugly, fractured reality of the cosmos deserves our attention

A puzzling clash between perfection and imperfection in our universe is getting fresh attention. This great cosmological mystery merits it, says Geraint Lewis

Comment

The universe could be full of more huge stars than we thought

Space

The universe could be full of more huge stars than we thought

News

Weird dim star isn't due to alien megastructure - it's just dust

Space

Weird dim star isn't due to alien megastructure - it's just dust

News

Black hole

Space

Parallel universes could solve a big problem with black holes

News

1845 telescope

Physics

Exploring the universe – and how we found our place in it

Culture

Planet X artwork

Space

Planet X: We are closing in on the solar system's new occupant

Features

Ancient black holes ruled out as source of all dark matter

Space

Ancient black holes ruled out as source of all dark matter

News

Bizarre supernova may be powered by hidden disc of dust and gas

Space

Bizarre supernova may be powered by hidden disc of dust and gas

News

Artwork of a quasar

Space

Most distant quasar ever seen is way too big for our universe

News

Weird tiny galaxies found hiding in Hubble’s Ultra Deep Field

Space

Weird tiny galaxies found hiding in Hubble’s Ultra Deep Field

We just found 72 new galaxies in one of the most studied areas of the sky. We can’t see their stars, but they were revealed by the glow of hydrogen gas

News

Space

Mysterious gamma rays in Crab nebula traced to pulsar winds

News

Physics

We've found a bunch of dwarf galaxies we thought didn't exist

News

Earth

Light pollution is set to double between now and 2050

News

Space

Signs of running water on Mars dunes are probably just dry sand

News